"Cannot use a non-record value in this context:"
ClearCollect(NewCollectionName,AddColumns(GroupBy(OtherCollection,"ID","ID1","ID2","GroupName"),"NewColumn",LookUp(List,ID=ID1,ReturnValue)));
Patch(List,ShowColumns(NewCollectionName,"NewColumn","ID"))
I'm getting the error when I add "NewColumn". And it makes no sense at all.
The collection is all that there is. And the value of "NewColumn" is an integer.
This is one of many columns which are calculated, and cannot be used with the Patch() function.
Any ideas?

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