Unfixable variable with invalid type
Pretty severe bug I just found: if you copy/paste a Set node for a blueprint struct from a blueprint in one project, to a blueprint in another project that doesn't have that struct, and then rightclick the Set node and "create variable", the blueprint cannot be compiled and the new (invalid) variable can't be deleted.
You can't compile because you get the error "The variable SomeVariable declared in has an invalid type Structure". You can't delete the variable because it's invisible in the variables list. Hope you have a backup because otherwise this blueprint is broken forever.
If in 4.19.1 you duplicate the BP there is a message that pops up asking if you want to delete the variable, if you delete it the BP will work. I had the same error when I moved 4.18.2 to 4.19.1
answered Apr 17 '18 at 05:47 PM
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answered Jan 09 '18 at 09:44 PM
Rudy Q ♦♦ STAFF
I was struggling with this issue recently and i found working solution for me, thought u may still need answer :)
In my opinion variable was still there, but was not visible (bug). Creating exaclty same variable made it "visible" as it was the same variable.
Engine version 4.21. Solution worked for me :)
answered Aug 10 '19 at 10:49 AM
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