Error deleting Business Roles and Dynamic Roles

Hello everyone,

I have a problem deleting business roles and dynamic roles.

I started deleting dynamic roles but One Identity doesn't give me the possibility (grey icon). Maybe One doesn't appreciate that.

I also tried deleting business roles but a strange error appears "Database error 50000: Cannot delete BaseTree, because DynamicGroup does exist. Rule DynamicFK".

Any suggestions?

Thank you