Everytime debuging use xcode on ios crash

. I have encounter a problem ,which has confused me a week ,and I still can not address it. The problem is every time I try to debug the game use xcode on ios, the app crash ,and the log says
"LoadPackageAsync failed to begin to load a package because the supplied package name was neither a valid long package name nor a filename of a map within a content folder: ‘’ "
but the game can run successfully without debug.