[ TimeEntryStillRunningApiException::KEY => 'Time entry is still running', UserNotPlaceholderApiException::KEY => 'The given user is not a placeholder', TimeEntryCanNotBeRestartedApiException::KEY => 'Time entry is already stopped and can not be restarted', InactiveUserCanNotBeUsedApiException::KEY => 'Inactive user can not be used', UserIsAlreadyMemberOfProjectApiException::KEY => 'User is already a member of the project', ], ];