Hello, I’m trying to restart a few UKESM runs (e.g. u-cb380, u-cd124) on NEXCS, which I think stopped due to maintenance, but they are failing on the coupled task: [SUBPROCESS ERROR] <module ‘error’ from ‘/working/d03/lamar/cylc- run/u-cd124/work/17940701T0000Z/coupled/error.py’> Traceback (mos…

Hi Lauren, I’ve found this error listed on one of the Met Office’s known errors webpages: Index out of range in nemo driver It looks like the namelist_cfg file is indeed missing from the previous cycle’s work directory. Could you try copying it back into place as per the instructions and see if …

Hi Ros, Sorry for missing that! Yes, that’s fixed it. Thanks very much. Lauren

UKESM1 failing to restart

Unified Model

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UKESM run stopped without errors ARCHER2	7	140	4 November 2024
HadGEM-GC3.1-MM workflow NEMO and CICE Monsoon2	10	500	5 November 2021
Cycle point for restarting suites? Unified Model ARCHER2 , PUMATest	20	947	1 March 2022
Missing restart dump at start of new cycle Unified Model	4	86	18 June 2025
Restarting a failed coupled suite ARCHER2	5	66	18 December 2025

UKESM1 failing to restart

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