Oracle ORA-01086: savepoint never established

I am trying to se开发者_JS百科t a savepoint and the rollback to that point when I have a problem. But I get the following message:

SQL execution error, ORA-01086: savepoint 'LASTSAVE' never established ORA-06212: at line 1".

I have made sure there are no commits until then end but still get the error. I have also wrapped it up in a transaction.

Sites like Oradoctor do not give any help (action) for this.

Could it be because you have committed - perhaps by calling some ddl?