Cannot delete job | The DELETE statement conflicted with the Foreign

I got a call from user today who was trying to delete a job from sql agent. The problem is that the maintenance plan still exist. So, you should delete the parent( Maintenance plan) before attempting to delete the child (JOB). However, Microsoft doesn't give you a clear error.

Cannot delete job The DELETE statement conflicted with the Foreign Key-- Read more: http://www.sqldbadiaries.com/2010/11/11/cannot-delete-job-the-delete-statement-conflicted-with-the-foreign-key/#ixzz1qzPlu15d