If you have deleted some users in Modeler -> Security Roles

It is better to make sure all the users are gone from database & excel ends too.

Login SQL Database Engine -> CallistoAppDisctionary -> Tables:

  1. ApplicationUsers
  2. SystemAdmins
  3. ApplicationAdmins

You need to check those three tables, remove the deleted accounts from those 3 tables.

Login Excel -> Admin_Tasks:

  1. Update Menu Users -> Delete that deleted user account.
  2. Update Workflow Driver 1 -> if you find that deleted user account, change it to some other valid user account
  3. Generate workflow
  4. Budget Item -> is there any specific template assigned to the delete user account? if so, change it.