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Program doesn't run

  • Apr 26 2023
  • S K

Hello, I am using Nays2DH for modeling of river confluence morphological changes. it shows the error message as follow:

forrtl: severe (157): Program Exception – access violation
Image PC Routine Line Source
Nays2DH.exe 00007FF769F2BD68 Unknown Unknown Unknown
Nays2DH.exe 00007FF76A00E24E Unknown Unknown Unknown
Nays2DH.exe 00007FF76A00E7C9 Unknown Unknown Unknown
KERNEL32.DLL 00007FFE2D287034 Unknown Unknown Unknown
ntdll.dll 00007FFE2DD42651 Unknown Unknown Unknown

the confluence is Type A (from left bank).
Thank you in advance.


  1. UC-1h says:

    Hello, please refer to the following and change the settings.
    Q: When the calculation stops during the calculation, (“access violation” is displayed)
    A: Refer to invalid grid information. Review the merge point information, mixed particle size settings, and mapping information.


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