Message 11001

TUFLOW FV
TUFLOW FV - STM
Available since version: 2026.2.0
ERROR 11001 - Material ID <material_id> is not specified in control file.

Description

A cell in the mesh has a material ID that is not defined in any Material == block in the sediment transport control file and no default material has been specified.

Suggestions

Either add a Material == block for the reported material ID in the sediment transport control file or add a Material == Default block to handle any unspecified material IDs.