Get solids of several elements

Hi Guys,

iv trying to get the solid of a list of elements. it workt earliyer but now i get this warning. i cant seen to fount out why. any help would be fine

afbeelding

Look like geometry error. post the full graph

1 Like

Sorry, I can not understand any think from your graph. But this how will be

thats weard, ive tryied it on rvt 19 and it seems to work. on rvt 20 im still having this warning

Then finish the work in Revit 2019.,then open in Revit 2020. Go for a solution don’t complicate.