SU01 is a User Operation T-code. Using this T-Code Consultant can Create, Edit, Role Assignments, and User ID deletion. Also using this T-Code other tasks can perform. You can check our Post Overview of SAP SU01
Sometimes if you are going to delete an ID in SAP using Transaction Code SU01 but System gives an Error and Generate a Dump.
Here below Video has a solution. In this video, you can what is the reason to Generate this Problem and What is the Official Solution Provided by SAP