message: Treat "This entry can't be saved - please add..." errors as user errors (lib)
diff: @@ -203,6 +203,9 @@ bool IsUserError(const error err) {
  if (err.find(kProjectNameAlreadyExists) != std::string::npos) {
  return true;
  }
  + if (err.find("This entry can't be saved - please add") != std::string::npos) {
  + return true;
  + }
  return false;
  }
  