In this post, you’ll learn more about the Oracle ErrorORA-30025: DROP segment ‘string’ (in undo tablespace) not allowed with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-30025: DROP segment ‘string’ (in undo tablespace) not allowed
Reason for the Error ORA-30025: DROP segment ‘string’ (in undo tablespace) not allowed
Explicit DROP operation is not allowed on undo tablespace segments
How to fix the Error ORA-30025: DROP segment ‘string’ (in undo tablespace) not allowed ?
You can fix this error in Oracle by following the below steps
Check the undo segment name and reissue statement if necessary.