code: func NewSourcePathError(path string) error {
  	return Error{
  		Message:    fmt.Sprintf("Local filesystem source path does not exist: %s", path),
  		Details:    nil,
  		ErrorCode:  SourcePathError,
  		Suggestion: "check the source code path on the local filesystem",
  	}
  }
docs: // NewSourcePathError returns a new error which indicates there was a problem
  // when accessing the source code from the local filesystem