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ERROR 2409 - Cut off types must also match when extending route with matching name.

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I was trying to model evacuation routes with depth cut-off values of  .1, .3, .5 & .7. I didn't specify Z values to any of the road geometry  but bridges. Examining results indicate all road triggers have the same start, stop & duration readings irrespective of trigger depths. However all bridge crossings report varying start, end times & duration based on cut-off depths. 

Assuming roads report the same duration for all four cut-off depths due to no  Z value field, I split roads layer into multi segments (same as grid cell size) and assign Z elevations to each segment to rectify this issue. In this approach, multiple route segments with the same route name were read into the model.  Models produce the following error message after this modification.

NoXY: ERROR 2409 - Cut off types must also match when extending route with matching name.  Route Name: Test01 RD Route Type:  https://wiki.tuflow.com/index.php?title=TUFLOW_Message_2409

Why am I getting this error message? I don't have any Cut_Off_Ty or Cut_Off_Va attributes filled in the GIS data layer as I am reading these values through a tgc file.

I am using Tuflow 2018-03-AE version and the line layer is digitised using Multi Line Strings.

Kind Regards


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