Application build issue ios

TypeError: Unable to resolve expression:
body: “PROJECT_ID”
error: ReferenceError: PROJECT_ID is not defined

I am new to ionic. Need Help

We’re going to need more than just that. Please remember to provide a detailed example or recreate of your issue as we state in this post.

I am trying to run the command ionic cordova run ios and I get that error. What more do I need to provide?

Please provide a sample project, or verify your env is setup correctly