问题
After I update IOS in my ionic3 project, I did like this my stackoverflow answer, then when I want to running in my device by xcode, showing this error for me.
error showing: (in .xcworkspace)
/Users/zzm/Library/Developer/Xcode/DerivedData/民安-马来西亚-dihlpydipawmqvehhrmobufggotw/Build/Products/Debug-iphoneos/民安-马来西亚.app: unknown error -1=ffffffffffffffff
Command /usr/bin/codesign failed with exit code 1
UPDATE:
回答1:
Still don't know why, I just restart my MAC, then error solved.
Reference: Install on Device give Error : Command /usr/bin/codesign failed with exit code 1
来源：https://stackoverflow.com/questions/48378604/xcode9-code-sign-error-in-ionic3-project-command-usr-bin-codesign-failed-with