Message 10166

TUFLOW FV
Available since version: 2026.2.0
ERROR 10166 - Material ID <material_id> using SET MAT == not specified in control file.

Description

The material ID specified by Set Mat == has not been defined in the control file’s material blocks. The material ID must be defined before it can be applied globally with Set Mat ==.

Suggestions

Add a material block defining the reported material ID, or change the Set Mat == value to a material ID that is already defined.