# Error in um\_fcst

**URL:** <https://cms-helpdesk.ncas.ac.uk/t/error-in-um-fcst/1257>\
**Category:** Unified Model\
**Created:** [16 November 2023 18:14 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-in-um-fcst/1257 "2023-11-16T18:14:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![siddharth.gumber](https://dub1.discourse-cdn.com/flex013/user_avatar/cms-helpdesk.ncas.ac.uk/siddharth.gumber/32/351_2.png) [@siddharth.gumber](https://cms-helpdesk.ncas.ac.uk/u/siddharth.gumber)\
**Post date:** [16 November 2023 18:14 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-in-um-fcst/1257/1 "2023-11-16T18:14:22Z")

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Hello  
I am getting the following error:  
Error code: 4  
? Error from routine: STWORK  
? Error message: STWORK: Number of fields exceeds reserved headers for unit 11  
? Error from processor: 344  
? Error number: 50  
Please advice. Thanks.  
Suite - u-db324  
Username- aurocumulus

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**Author:** ![grenville](https://dub1.discourse-cdn.com/flex013/user_avatar/cms-helpdesk.ncas.ac.uk/grenville/32/29_2.png) [@grenville](https://cms-helpdesk.ncas.ac.uk/u/grenville)\
**Post date:** [17 November 2023 08:08 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-in-um-fcst/1257/2 "2023-11-17T08:08:03Z")

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The issue is discussed here [6. Further Exercises (1) — NCAS Unified Model Introduction](https://ncas-cms.github.io/um-training/further-exercises-1.html#stash-validation-macro)

I recommend that you work through this training material at least before running UM suites.

Grenville

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**Author:** ![system](https://europe1.discourse-cdn.com/flex013/uploads/cms_support/original/1X/1fd2411499ffcbc299fe756cd5cdf26e44956558.png) [@system](https://cms-helpdesk.ncas.ac.uk/u/system)\
**Post date:** [17 December 2023 08:08 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-in-um-fcst/1257/3 "2023-12-17T08:08:24Z")

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