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Can't create second flange


New member
Hello! I have a problem when i want to create a flange in sheetmetal design. First of all, i created a wall. Then added a flange to that wall. Then i wanted to add a flange to the newly created flanged wall, but i got this error

A sweep error occurred during the flatten view swept wall build.
Make sure the input parameters make it unfoldable.

The second flange, i wanted to be continuing the first flangeflange error.jpg

Does someone know why this error pops up?