When AppEnum or AppEntity is introduced into the iOS18 Widget file, xcode compilation will report an error: Error collecting extracted types: The file “SmartPlusWidgetControl.swift” couldn’t be opened because the text encoding of its contents can’t be determined.

Error collecting extracted types: The file “SmartPlusWidgetControl.swift” couldn’t be opened because the text encoding of its contents can’t be determined.

dyld: Symbol not found: __ZTTNSt3__114basic_ofstreamIcNS_11char_traitsIcEEEE Referenced from: /private/var/containers/Bundle/Application/19315D00-BA14-46B0-83BD-0961BBFFC9B8/VBell.app/VBell Expected in: /usr/lib/libc++.1.dylib in /private/var/containers/Bundle/Application/19315D00-BA14-46B0-83BD-0961BBFFC9B8/VBell.app/VBell Who knows how to solve this problem?