My Python script does not work "ViewSection is not iterable"

Hello everyone,
I’m trying to run a Dynamo that could adjust the view crops of each elevation so they are suited to the wall they are elevating. But, i don’t understand this error when i execute it. File"String", Ligne 41, what does it mean ?

Does anyone understand the error message ?
Thanks in advance

Hi @etienne.dronval,

The English language is a requirement for the proper functioning of this forum.
If you are not comfortable with English, you can use the French Dynamo forum:

Moreover, it is complicated to help you without seeing the inputs of your script.
In my opinion, your inputs must be in the form of a list.

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