-check all failure

[anton-seaice]

When building with -check all, and 2026.01.000 MOM6 tag I get this failure:

forrtl: severe (408): fort: (8): Attempt to fetch from allocatable variable H when it is not allocated

Image              PC                Routine            Line        Source             
access-om3-MOM6-C  0000000000EA377B  diag_update_remap        3634  MOM_diag_mediator.F90
access-om3-MOM6-C  000000000152845A  thickness_diffuse         620  MOM_thickness_diffuse.F90
access-om3-MOM6-C  0000000000694ACA  step_mom_dynamics        1222  MOM.F90
access-om3-MOM6-C  0000000000684A4F  step_mom                  954  MOM.F90
access-om3-MOM6-C  00000000005E91B0  update_ocean_mode         629  mom_ocean_model_nuopc.F90
access-om3-MOM6-C  000000000054AE6C  modeladvance             1990  mom_cap.F90
libesmf.so         0000148C8A8DAE67  execute                   377  ESMCI_MethodTable.C
libesmf.so         0000148C8A8DAD05  c_esmc_methodtabl         317  ESMCI_MethodTable.C
libesmf.so         0000148C8AA6B8BB  esmf_methodgridco        1287  ESMF_AttachMethods.F90
libesmf.so         0000148C8B1ABB8E  routine_run              2212  NUOPC_ModelBase.F90
libesmf.so         0000148C8A635B08  callVFuncPtr             2187  ESMCI_FTable.C
libesmf.so         0000148C8A63554C  ESMCI_FTableCallE         844  ESMCI_FTable.C
libesmf.so         0000148C8A974C14  enter                    1216  ESMCI_VM.C
libesmf.so         0000148C8A6361E0  c_esmc_ftablecall        1001  ESMCI_FTable.C
libesmf.so         0000148C8AB6BB28  esmf_compexecute         1273  ESMF_Comp.F90
libesmf.so         0000148C8ADD8344  esmf_gridcomprun         1927  ESMF_GridComp.F90
libesmf.so         0000148C8B1658B5  routine_executegr        3698  NUOPC_Driver.F90
libesmf.so         0000148C8B1674D8  executerunsequenc        3944  NUOPC_Driver.F90
libesmf.so         0000148C8A8DAE67  execute                   377  ESMCI_MethodTable.C
libesmf.so         0000148C8A8DAD05  c_esmc_methodtabl         317  ESMCI_MethodTable.C
libesmf.so         0000148C8AA6B8BB  esmf_methodgridco        1287  ESMF_AttachMethods.F90
libesmf.so         0000148C8B1643FB  routine_run              3618  NUOPC_Driver.F90
libesmf.so         0000148C8A635B08  callVFuncPtr             2187  ESMCI_FTable.C
libesmf.so         0000148C8A63554C  ESMCI_FTableCallE         844  ESMCI_FTable.C
...