[jfeuerstein]

Hi Kathleen,

Sorry I can’t help. I’m getting the same error running a 2D model with high flows and an abrupt change in flow. I’m guessing one of these is causing the error. Does your model have some of the same characteristics? What’s your time step?

[jfeuerstein]

Thank you, I think it was an issue with using diffusion wave and having too large of time steps. Now I begin to have reasonable results, but RAS goes unstable and gives me this error:

Error with program: RasUnsteady64.exe Exit Code = -1073741819

Any idea how to solve this?

[Author]

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