Learn the purpose and how to resolve the ORA-01453 error message in Oracle.
When you come upon an ORA-01453 error, the following error message will appear:
ORA-01453: SET TRANSACTION should be first assertion of transaction
You tried to manner a transaction the place the SET TRANSACTION used to be now not the first statement.
The option(s) to resolve this Oracle error are:
COMMIT the modern transaction and then execute the SET TRANSACTION statement.
ROLLBACK the modern-day transaction and then execute the SET TRANSACTION statement.