Xcode 10, Command CodeSign failed with a nonzero exit code

Question

Everytime I build console is showing this message.

CodeSign /Users/admin/Desktop/AppStoreBuild/Project201/build/Debug-iphonesimulator/Project.app (in

Answer 1

After i copied two .aiff files in a .scnassets group, this error occured. Deletion of the files and a "Clean Build Folder" solves the problem in my case.