Oracle Solution for Error ora-30514

ORA-30514: system trigger cannot modify tablespace being made read only

What triggered the Error:

A beofre trigger tries to modify a tablespace which is being made READ ONLY as the part of DDL oepration

What should we do to fix it:

Modify the trigger to avoid modifications to the objects in the same tablespace as the one which is being made read only, or use autonomous transactions to commit modifications