i tried to read in the new mesh and deleted every report definition beforehand but i still got the same errors:
pop up window:
  zone-surface: invalid thread[2]
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console:
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  Error at host: zone-surface: invalid thread[2]
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  Error at Node 0: zone-surface: invalid thread[2]
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  Error: zone-surface: invalid thread[2]
  Error Object: #f
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i also tried to only read in a settings file in the new case but this still led to the same errors. I even tried to use a different new geometry which had the same amount of internal openings as the old geometry from which i extracted the settings file but it still didnt work and produces the same error as before. Do you have any idea what could solve this error?
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By the way thank you very much for your time, i really appreciate it :)