TUFLOW Message 2061

TUFLOW Message
Error 2061 - Could not find a CN connection snapped to the end of HX line.

Alternate Message
NA

Message Type
ERROR

Description
Could not find a connection (CN object) snapped to the end of the 1D/2D interface (HX) line. Check that any connection object is snapped; add a connection to the end of the 1D/2D interface; or edit the 1D/2D interface line. 1D/2D interface lines based on the HX type must have as a minimum a connection at each of its ends, otherwise it is not clear how to transfer the water level gradient from the 1D domain.

Suggestions
The messages.mif or messages_P.shp file should contain the location that this error is occurring. Zoom into the HX line and check that the connection line is snapped to the end vertices of the line. This line can have CN connections snapped to intermediate vertices, but must have a CN line snapped to each end.

Please note: If the model is a Flood Modeller-TUFLOW (FM-TUFLOW) model and you are trying to run as a TUFLOW only model, this is a common error message as TUFLOW cannot find the external 1D nodes which are linked through the CN line(s) to the HX line(s). For more details on running a FM-TUFLOW model please visit the WIKI page below: Running linked Flood modeller - TUFLOW Models

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