Building ios on ember-cordova giving error - The following build commands failed: Check dependencies

In that particular line the error is given as:

Code Signing Error: Signing for "Application-nameInTheSameFormat" requires a development team. Select a development team in the project editor. Code Signing Error: Code signing is required for product type 'Application' in SDK 'iOS 11.0'

Tried building for another application, got the same error. Please help asap