TUFLOW Message 2858

TUFLOW Message
ERROR 2858- Creating a contiguous line of cells for HQ boundary. Try simplifying boundary line or buffering refinement polygon away from boundary line.

Alternate Message
NA

Message Type
ERROR

Description
The error is being triggered by the cell selection algorithm failing to create a contiguous line of cells for a HQ boundary which is required to generate a rating curve. This is in turn can be caused by refinement areas being snapped to the boundary line and causing varied cell size along the boundary (where the line can also pass through inactive areas).

Suggestions
Try simplifying boundary line or buffering refinement polygon away from boundary line.

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