Building Areas to surface in Dynamo

Hello Vikram,
I`ve tried to use your solution , but get an errors in the script, dynamo 1.3.3, revit19
Screenshot is below


Any thought what is wrong out here?
PolyCurve.ByJoinedCurves error is: Warning: PolyCurve.ByJoinedCurves operation failed.
PolyCurves may not be branching

Surface.ByPatch error is: Warning: Surface.ByPatch operation failed.
Unable to patch a single, no-closed curve

Thanks in advance

Seems like you have intersecting/overlapping curves. Grouping of curves only helps group curves that are a part of detached chain of curves.

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