Can't change column type


I seem to be having trouble changing a column type.

Keep getting a warning from Revit… i have seen the same workflow work on other posts though, any thoughts?

Many thanks

Do you have more than one Family Type named 400x400? The error is not a Dynamo error but a typical Revit error that’s means your giving it the wrong Family Type Category.

Hi Sean,

Thanks for the heads up! I changed to column FamilyType to another type and it worked fine. However the 400x400 type is unique…

Will have another look for potential double Types and try to get to the bottom of this issue.

Thanks for your help!

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