Error running u-dy775

Could you help please:

I have a problem with this suite -

It has been running well for a while

But I am now getting an error on start:

In

/work/n02/n02/jgrist02/cylc-run/u-dy775/log/job/19641001T0000Z/recon/01/job.err

???

???!!!???!!!???!!!???!!!???!!! ERROR ???!!!???!!!???!!!???!!!???!!!

? Error code: 41

? Error from routine: RCF_GRIB_READ_DATA

? Error message: Unknown GRIB version whilst extracting length of message.

? Error from processor: 17

? Error number: 4

???

[17] exceptions: An non-exception application exit occured.

[17] exceptions: whilst in a serial region

[17] exceptions: Task had pid=134080 on host nid004470

[17] exceptions: Program is “/work/n02/n02/jgrist02/cylc-run/u-dy775/share/fcm_make_um/build-recon/bin/um-recon.exe”

Warning in umPrintMgr: umPrintExceptionHandler : Handler Invoked

MPICH ERROR [Rank 17] [job id 14066070.0] [Mon Jun 15 13:17:38 2026] [nid004470] - Abort(9) (rank 17 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, 9) - process 17

srun: error: nid004470: tasks 3,7: Aborted

srun: launch/slurm: _step_signal: Terminating StepId=14066070.0

slurmstepd: error: *** STEP 14066070.0 ON nid004470 CANCELLED AT 2026-06-15T14:17:39 ***

srun: error: nid004470: tasks 0-2,4-6,8-31: Aborted (core dumped)

[FAIL] um-recon <<‘_STDIN_’

[FAIL]

[FAIL] ‘_STDIN_’ # return-code=134

2026-06-15T13:17:40Z CRITICAL - failed/EXIT

Hi Jeremy,

You’ve inadvertently set input_dump_type to GRIB when you changed ainitial. Change it back to UM and it should work.

Cheers,
Ros

Thank you, that’s great