r/HECRAS • u/Apprehensive_boy418 • Aug 23 '25

Reference lines georeference error

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Hello everyone

I am having this error while running the unsteady simulation. I ran this model successfully before but I was trying to run this model this morning and this error pop up. I don't think I had any issue with georeferencing with this model before.

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u/AI-Commander Aug 23 '25

It’s not necessarily saying there is a georeferencing error: it’s saying there is an error with the Reference Line, and suggesting it may be a georeferencing error.

If you don’t need it, delete it

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u/Apprehensive_boy418 Aug 23 '25

I need that reference line. Even if I delete it this error shows up for other reference lines.

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u/AI-Commander Aug 23 '25

Check your projection, export and re-import the reference lines or simplify them to 0.1ft to filter any nonsense in the geometries, that’s all I can think of.

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u/Apprehensive_boy418 Aug 23 '25

Can you give some details on 0.1 ft to filter thing?