# \#Nesting-Suite

**URL:** https://cms-helpdesk.ncas.ac.uk/tag/nesting-suite/22.md

[Latest](https://cms-helpdesk.ncas.ac.uk/latest.md) · [Categories](https://cms-helpdesk.ncas.ac.uk/categories.md) · [Tags](https://cms-helpdesk.ncas.ac.uk/tags.md)

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## [Negative mass in set\_thermodynamic Error](https://cms-helpdesk.ncas.ac.uk/t/negative-mass-in-set-thermodynamic-error/2141)

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**Author:** [@kqiu](https://cms-helpdesk.ncas.ac.uk/u/kqiu)\
**Replies:** 3\
**Last updated:** [7 August 2026 11:24 UTC](https://cms-helpdesk.ncas.ac.uk/t/negative-mass-in-set-thermodynamic-error/2141 "2026-08-07T11:24:15Z")

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Hi, I am running the nesting suite u-eb261 on Monsoon3, and the following task has failed: 20190103T0000Z/Europe\_km11\_RAL3P3\_um\_fcst\_000 The error message says: Error code: 100 Error from routine: set\_thermodynamic …

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## [Increasing vertical resolution from 70\_40 to 120\_40 running on Monsoon3](https://cms-helpdesk.ncas.ac.uk/t/increasing-vertical-resolution-from-70-40-to-120-40-running-on-monsoon3/2063)

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**Author:** [@siddharth.gumber](https://cms-helpdesk.ncas.ac.uk/u/siddharth.gumber)\
**Replies:** 0\
**Last updated:** [24 April 2026 02:07 UTC](https://cms-helpdesk.ncas.ac.uk/t/increasing-vertical-resolution-from-70-40-to-120-40-running-on-monsoon3/2063 "2026-04-24T02:07:56Z")

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Hello My nesting suite u-dx530 runs fine with 70\_40km config but when I increase the vertical resolution to 120\_40km for my nesting domains - I get the following error: Also I changed my domain profile to output on mod…

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## [Switch from ra2t to ra3\_pack3 for UM12](https://cms-helpdesk.ncas.ac.uk/t/switch-from-ra2t-to-ra3-pack3-for-um12/2035)

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**Author:** [@douglowe](https://cms-helpdesk.ncas.ac.uk/u/douglowe)\
**Replies:** 0\
**Last updated:** [13 March 2026 16:43 UTC](https://cms-helpdesk.ncas.ac.uk/t/switch-from-ra2t-to-ra3-pack3-for-um12/2035 "2026-03-13T16:43:45Z")

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This is a technical, rather than science, question. I want to change the configuration of my model run from ra2t to ra3\_pack3. I (very vaguely) recall that changing the ‘rg01\_rs01\_m01\_config‘ option in my namelist (in t…

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## [Error: Unable to WGDOS pack to this accuracy](https://cms-helpdesk.ncas.ac.uk/t/error-unable-to-wgdos-pack-to-this-accuracy/1734)

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**Author:** [@kqiu](https://cms-helpdesk.ncas.ac.uk/u/kqiu)\
**Replies:** 8\
**Last updated:** [30 June 2025 10:42 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-unable-to-wgdos-pack-to-this-accuracy/1734 "2025-06-30T10:42:46Z")

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Hi, I got an error saying “Unable to WGDOS pack to this accuracy” for Regn1\_resb\_1\_RAL3PS\_um\_fcst\_000 in my u-do621 UM version 13.7 nesting suite. I ran this suite before, and no such error ever occurred. I had a look a…

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## [Driving suites with ERA5 ensemble](https://cms-helpdesk.ncas.ac.uk/t/driving-suites-with-era5-ensemble/1668)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 2\
**Last updated:** [17 March 2025 09:22 UTC](https://cms-helpdesk.ncas.ac.uk/t/driving-suites-with-era5-ensemble/1668 "2025-03-17T09:22:16Z")

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Hello fellow UM enjoyers I’m trying to get the nesting suite running forcing it with members of the ensemble that gives ERA5 its uncertainty (i.e. the “ensemble members” tick box on this page). But when you download thi…

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## [NaNs BiCGstab error - from transplanting data?](https://cms-helpdesk.ncas.ac.uk/t/nans-bicgstab-error-from-transplanting-data/1635)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 1\
**Last updated:** [28 February 2025 10:34 UTC](https://cms-helpdesk.ncas.ac.uk/t/nans-bicgstab-error-from-transplanting-data/1635 "2025-02-28T10:34:17Z")

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Hello team I have recently been the recipient of the dreaded “NaNs in error term in BiCGstab” message while trying to run a nesting suite using GAL9. Bit of background - what I’ve been working on is a weird sort of ens…

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## [Um-createbc documentation](https://cms-helpdesk.ncas.ac.uk/t/um-createbc-documentation/1611)

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**Author:** [@sebsteinig](https://cms-helpdesk.ncas.ac.uk/u/sebsteinig)\
**Replies:** 2\
**Last updated:** [14 January 2025 15:58 UTC](https://cms-helpdesk.ncas.ac.uk/t/um-createbc-documentation/1611 "2025-01-14T15:58:23Z")

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Dear CMS Team, I am trying to set up a suite to create UM ancillary files with the um-createbc.exe utility ($UMDIR/vn10.7/cce/utilities/um-createbc.exe on ARCHER2). This is for example done in the nesting suites, but I …

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## [Adding fcm\_make\_pp/postproc step to Nesting Suite](https://cms-helpdesk.ncas.ac.uk/t/adding-fcm-make-pp-postproc-step-to-nesting-suite/1597)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 7\
**Last updated:** [20 December 2024 14:00 UTC](https://cms-helpdesk.ncas.ac.uk/t/adding-fcm-make-pp-postproc-step-to-nesting-suite/1597 "2024-12-20T14:00:26Z")

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Hello I’ve previously had a custom app set up for archiving to JASMIN that used the gridftp server, because I was using a version of the nesting suite that didn’t have an fcm\_make\_pp or postproc app (see e.g. the ncas\_a…

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## [Unphysical albedos being created](https://cms-helpdesk.ncas.ac.uk/t/unphysical-albedos-being-created/1534)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 2\
**Last updated:** [24 October 2024 14:17 UTC](https://cms-helpdesk.ncas.ac.uk/t/unphysical-albedos-being-created/1534 "2024-10-24T14:17:40Z")

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Hello, I am trying to run a GA7-ish configuration of the nesting suite (I just want a recent ish global atmosphere configuration and that was one that was built into my suite options). I am using FLake and also some oth…

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## [New cdsapi in cray-python?](https://cms-helpdesk.ncas.ac.uk/t/new-cdsapi-in-cray-python/1488)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 6\
**Last updated:** [24 July 2024 15:03 UTC](https://cms-helpdesk.ncas.ac.uk/t/new-cdsapi-in-cray-python/1488 "2024-07-24T15:03:39Z")

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Hi CMS, ECMWF have just released CDS-beta for downloading model level ERA5 data (necessary for driving the UM with ERA5). I’ve got it working and changed all my scripts to work with cdsapi v 0.7.0 but I now realised my …

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## [Unusual errors when performing EC config](https://cms-helpdesk.ncas.ac.uk/t/unusual-errors-when-performing-ec-config/1357)

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**Author:** [@jtalib](https://cms-helpdesk.ncas.ac.uk/u/jtalib)\
**Replies:** 19\
**Last updated:** [28 March 2024 12:40 UTC](https://cms-helpdesk.ncas.ac.uk/t/unusual-errors-when-performing-ec-config/1357 "2024-03-28T12:40:40Z")

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Hi NCAS CMS, I’m trying to perform a 10-day nested suite starting on 20190304. I have downloaded all the data for hourly ERA5 boundary conditions (/work/n02/n02/jostal/ERA5\_analysis). When performing the configuration …

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## [ANCIL\_ANTS failing](https://cms-helpdesk.ncas.ac.uk/t/ancil-ants-failing/1017)

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**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 3\
**Last updated:** [9 June 2023 08:34 UTC](https://cms-helpdesk.ncas.ac.uk/t/ancil-ants-failing/1017 "2023-06-09T08:34:17Z")

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I’m trying to run a copy of my own UM job that ran OK a couple of months ago. The suite id is u-cx568, and it is vn11.9 nesting suite. I start with what I have done so far and add some notes for future reference. My que…

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## [INBOUNDA: Insufficient space for Lookup Table](https://cms-helpdesk.ncas.ac.uk/t/inbounda-insufficient-space-for-lookup-table/1269)

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**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 1\
**Last updated:** [29 November 2023 16:36 UTC](https://cms-helpdesk.ncas.ac.uk/t/inbounda-insufficient-space-for-lookup-table/1269 "2023-11-29T16:36:48Z")

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Hi. The regional model (NAtl\_hilat\_km2p5\_ra3\_p3\_casim\_ukca\_um\_fcst\_000) of my UM vn12.0 nesting suite u-db626 and u-db627 are failing with “INBOUNDA: Insufficient space for Lookup Table”. These are suites I made from u-…

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## [Option to use already-made reconfigured EC files](https://cms-helpdesk.ncas.ac.uk/t/option-to-use-already-made-reconfigured-ec-files/1341)

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**Author:** [@jtalib](https://cms-helpdesk.ncas.ac.uk/u/jtalib)\
**Replies:** 0\
**Last updated:** [15 February 2024 13:33 UTC](https://cms-helpdesk.ncas.ac.uk/t/option-to-use-already-made-reconfigured-ec-files/1341 "2024-02-15T13:33:23Z")

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Hi NCAS CMS, Just out of curiosity, is there an documentation or previously-run regional suite which reads in already-configured ERA5 data, rather than configuring the data every time. I’m hoping to run multiple simula…

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## [Archer2 IOServer crashes suite \[Unable to find specified unit ( 11) in list (portio) \]](https://cms-helpdesk.ncas.ac.uk/t/archer2-ioserver-crashes-suite-unable-to-find-specified-unit-11-in-list-portio/873)

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**Author:** [@markr](https://cms-helpdesk.ncas.ac.uk/u/markr)\
**Replies:** 1\
**Last updated:** [23 January 2023 11:30 UTC](https://cms-helpdesk.ncas.ac.uk/t/archer2-ioserver-crashes-suite-unable-to-find-specified-unit-11-in-list-portio/873 "2023-01-23T11:30:46Z")

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hello, I have tried to configure this suite: u-ct529 with IOServers. I modified the site config file (ala kscale technique) and was able to see 8 servers start with last 8 of MPI tasks (120-127). Unfortunately it very…

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## [Required field is not in input dump (ERA5 driven RNS)](https://cms-helpdesk.ncas.ac.uk/t/required-field-is-not-in-input-dump-era5-driven-rns/1306)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 0\
**Last updated:** [19 January 2024 10:53 UTC](https://cms-helpdesk.ncas.ac.uk/t/required-field-is-not-in-input-dump-era5-driven-rns/1306 "2024-01-19T10:53:16Z")

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Apologies if this is a trivial question but I am having some trouble understanding errors to do with the input dump in the RNS. I am trying to run suite u-dc256, which is a version of the RNS on ARCHER2, driven by ERA5 …

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## [Glm recon failing looking for dust clay soil fraction](https://cms-helpdesk.ncas.ac.uk/t/glm-recon-failing-looking-for-dust-clay-soil-fraction/1300)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 11\
**Last updated:** [18 January 2024 15:32 UTC](https://cms-helpdesk.ncas.ac.uk/t/glm-recon-failing-looking-for-dust-clay-soil-fraction/1300 "2024-01-18T15:32:48Z")

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Hi CMS, I’ve started another run using suite u-dc576, which is a copy of u-cy223 (I’ve got ten of these suite running perfectly at the moment). It’ failing in the recon, looking for STASH 418 (soil dust clay fraction). …

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## [Initialising Regional Nesting Suite using ERA5 data from different time](https://cms-helpdesk.ncas.ac.uk/t/initialising-regional-nesting-suite-using-era5-data-from-different-time/1244)

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**Author:** [@FranMorris](https://cms-helpdesk.ncas.ac.uk/u/FranMorris)\
**Replies:** 1\
**Last updated:** [4 December 2023 17:07 UTC](https://cms-helpdesk.ncas.ac.uk/t/initialising-regional-nesting-suite-using-era5-data-from-different-time/1244 "2023-12-04T17:07:08Z")

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Hello! I am currently running a regional nesting suite driven by ERA5 data and would like to change the initial conditions to formulate an ensemble, but it’s not in the traditional way (hence I’m not using the regional …

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## [Setting up archer2-jasmin archiving in the nesting suite](https://cms-helpdesk.ncas.ac.uk/t/setting-up-archer2-jasmin-archiving-in-the-nesting-suite/1101)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 28\
**Last updated:** [15 September 2023 15:56 UTC](https://cms-helpdesk.ncas.ac.uk/t/setting-up-archer2-jasmin-archiving-in-the-nesting-suite/1101 "2023-09-15T15:56:37Z")

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I’m trying to set up archiving to jasmin on my suite u-cy223 which runs the global model + pan-Arctic/pan-Antarctic nests (as you’ve been helping me with here) I want to be able to set up automatic archiving to jasmin, …

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## [UM\_READDUMP STASH processing code error](https://cms-helpdesk.ncas.ac.uk/t/um-readdump-stash-processing-code-error/1097)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 0\
**Last updated:** [10 August 2023 14:55 UTC](https://cms-helpdesk.ncas.ac.uk/t/um-readdump-stash-processing-code-error/1097 "2023-08-10T14:55:57Z")

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Much like the error I documented in this ticket, and like the one Russell was getting here, i am getting an error about certain STASH fields on model levels in my West Antarctic suite (u-cu484). Error message: UM\_READD…

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## [Subsequent thread calling handler will sleep error in glm fcst](https://cms-helpdesk.ncas.ac.uk/t/subsequent-thread-calling-handler-will-sleep-error-in-glm-fcst/1260)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 3\
**Last updated:** [27 November 2023 13:11 UTC](https://cms-helpdesk.ncas.ac.uk/t/subsequent-thread-calling-handler-will-sleep-error-in-glm-fcst/1260 "2023-11-27T13:11:54Z")

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Hi CMS, I’m getting a strange error in the final glm forecast of suite u-da704 which I don’t understand. The same crash has occurred after 3 re-submissions. \[180\] exceptions: Subsequent thread (1) calling handler will…

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## [Tasks failing due to archer library errors](https://cms-helpdesk.ncas.ac.uk/t/tasks-failing-due-to-archer-library-errors/1291)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 14\
**Last updated:** [20 December 2023 14:05 UTC](https://cms-helpdesk.ncas.ac.uk/t/tasks-failing-due-to-archer-library-errors/1291 "2023-12-20T14:05:31Z")

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Hi CMS, I’ve just noticed that my IVT files have not been transferring to jasmin and the calc\_IVT app has been failing (without actually failing!). Looks like a conda environment or library error - this is the output of…

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## [Error: Ancillary files have not been found](https://cms-helpdesk.ncas.ac.uk/t/error-ancillary-files-have-not-been-found/843)

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**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 5\
**Last updated:** [20 December 2022 13:13 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-ancillary-files-have-not-been-found/843 "2022-12-20T13:13:56Z")

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Hi, My vn12.0 nesting suite u-cs159 is getting this error. I recreated ancillary files but the error doesn’t seem to go away. ? Error code: 10 ? Error from routine: CALC\_NLOOKUPS ? Error message: Ancillary files …

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## [Segmentation fault: Address not mapped to object](https://cms-helpdesk.ncas.ac.uk/t/segmentation-fault-address-not-mapped-to-object/720)

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**Author:** [@amethystaj](https://cms-helpdesk.ncas.ac.uk/u/amethystaj)\
**Replies:** 4\
**Last updated:** [9 September 2022 06:39 UTC](https://cms-helpdesk.ncas.ac.uk/t/segmentation-fault-address-not-mapped-to-object/720 "2022-09-09T06:39:28Z")

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I’m struggling to run a nested ensemble suite (u-cj824) which has worked perfectly before without issue. The only thing I’ve changed is one of the atmospheric stability options and added two more stash requests. Now alm…

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## [NaNs in error term in BiCGstab for high res domain](https://cms-helpdesk.ncas.ac.uk/t/nans-in-error-term-in-bicgstab-for-high-res-domain/532)

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**Author:** [@cemachelen](https://cms-helpdesk.ncas.ac.uk/u/cemachelen)\
**Replies:** 0\
**Last updated:** [7 April 2022 09:54 UTC](https://cms-helpdesk.ncas.ac.uk/t/nans-in-error-term-in-bicgstab-for-high-res-domain/532 "2022-04-07T09:54:19Z")

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I’m running a nesting suite u-cm007 down to 200m resolution. Everything runs fine until the 200m nest, it fails at the first time step with the error. ????????????????????????????????????????????????????????????????????…

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## [Errors in archiving](https://cms-helpdesk.ncas.ac.uk/t/errors-in-archiving/1249)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 2\
**Last updated:** [16 November 2023 16:40 UTC](https://cms-helpdesk.ncas.ac.uk/t/errors-in-archiving/1249 "2023-11-16T16:40:46Z")

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Hi CMS, I’m getting some new errors in the archiving app of my suites (e.g. u-cy223, u-da702, u-da703) that I can’t get to the bottom of. \[FAIL\] no such table: targets 2023-11-13T12:42:35Z CRITICAL - failed/EXIT I hav…

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## [CHK\_LOOK\_BOUNDA: Wrong number of LBC fields on last forecast](https://cms-helpdesk.ncas.ac.uk/t/chk-look-bounda-wrong-number-of-lbc-fields-on-last-forecast/1256)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 0\
**Last updated:** [16 November 2023 16:39 UTC](https://cms-helpdesk.ncas.ac.uk/t/chk-look-bounda-wrong-number-of-lbc-fields-on-last-forecast/1256 "2023-11-16T16:39:10Z")

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Hi folks, I’m getting a mystifying error on the final forecast of some cycles related to the LBCs: ???????????????????????????????????????????????????????????????????????????????? ???!!!???!!!???!!!???!!!???!!! E…

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## [Forcing nesting suite with ERA5](https://cms-helpdesk.ncas.ac.uk/t/forcing-nesting-suite-with-era5/610)

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**Author:** [@shakka](https://cms-helpdesk.ncas.ac.uk/u/shakka)\
**Replies:** 53\
**Last updated:** [7 September 2022 12:05 UTC](https://cms-helpdesk.ncas.ac.uk/t/forcing-nesting-suite-with-era5/610 "2022-09-07T12:05:32Z")

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Hi NCAS, I’m trying to get the nesting suite to run on archer with ERA5 forcing and haven’t been able to find any documentation about how to go about this. 1/ I understand that there are ERA5 files - in netCDF format -…

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## [Unable to WGDOS pack to this accuracy (2)](https://cms-helpdesk.ncas.ac.uk/t/unable-to-wgdos-pack-to-this-accuracy-2/271)

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**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 19\
**Last updated:** [29 October 2021 16:12 UTC](https://cms-helpdesk.ncas.ac.uk/t/unable-to-wgdos-pack-to-this-accuracy-2/271 "2021-10-29T16:12:40Z")

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I have a ticket with the same title and that one was resolved, but this one doesn’t seem to be solved. Here is the error message I’m getting from glm\_um\_fcst\_000 in u-ci559. ? Error from routine: WGDOS Packing (f\_shum\_…

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## [INBOUNDA: Boundary data starts after start of current boundary data interval](https://cms-helpdesk.ncas.ac.uk/t/inbounda-boundary-data-starts-after-start-of-current-boundary-data-interval/155)

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**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 4\
**Last updated:** [11 August 2021 08:56 UTC](https://cms-helpdesk.ncas.ac.uk/t/inbounda-boundary-data-starts-after-start-of-current-boundary-data-interval/155 "2021-08-11T08:56:10Z")

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Hi. A long story short, my vn11.9 nesting suite u-cg028 ran OK for initial 6 hours from 20190710T0000Z with dump I created with u-cf308; /projects/ukca-leeds/myosh/dumps/umglaa\_da360\_cf308\_20190625T0000Z which is a …

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