Crashing of resurf during creating surface

Hello Everyone,

I am stucked by a strange crashing problem while using RhinoResurf.
I created the network of the curves. But when I try to create surface out of these curve networks, the software crashes automatically displaying the following error which I am not able to understand.

Can anyone please help me to find and solve the problem I am facing.

Thanks in advance.

Best regards,

Problemereignisname: APPCRASH
Anwendungsname: Rhino.exe
Anwendungsversion: 5.12.50810.13095
Anwendungszeitstempel: 55c9196b
Fehlermodulname: RhinoResurf_x64.rhp
Fehlermodulzeitstempel: 51e02a9a
Ausnahmecode: c000041d
Ausnahmeoffset: 00000000001df32e
Betriebsystemversion: 6.1.7601.
Gebietsschema-ID: 1031
Zusatzinformation 1: e4e2
Zusatzinformation 2: e4e24809dab46fa2c80f6a6fbd6d7ade
Zusatzinformation 3: df5a
Zusatzinformation 4: df5a0707f3ef356863880339ebefa1b6

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