Package won't compile. Error unknown

Hi there. I’m trying to compile a package through the Scenery Editor as
always, but at one moment it just started giving an error. I can’t figure out
what it is through the console, it’s just error this error that but no
details. Thanks

Line 161 contains duplicate attribute: displayName="Radar Tower Fence" displayName="Radar Tower Fence"

Incredible. You just saved a good bunch of hair on my head, Paavo. Thank you
very much!