Message 10031

TUFLOW FV
Available since version: 2026.2.0
ERROR 10031 - Unexpected bc type

Description

The boundary condition type specified is not recognised. This can occur when an invalid or unsupported boundary_type value is provided for the BC == boundary_type command in a boundary condition block.

Suggestions

Check the BC == command in the boundary condition block for typographical errors and verify it is a supported boundary condition type for the current version of TUFLOW FV.