use: id fontDesc = [UIFontDescriptor fontDescriptorWithName:fntName size:fontSize]; id textFont = [UIFont fontWithDescriptor:fontDesc size:fontSize]; instead of: id textFont = [UIFont fontWithName:fntName size:fontSize];

close XCode show XCode's description with right mouse disable Rosetta2 reopen XCode, auto fix sign close XCode enable Rosetta2 reopen XCode & rebuild project