ORA-00034: cannot string in current PL/SQL session

ORA-00034: cannot string in current PL/SQL sessionCause: An attempt was made to issue a commit or rollback from a PL/SQL object  (procedure, function,
package) in a session that has this disabled (by "alter session  disable commit in procedure")
Action: Enable commits from PL/SQL in this session, or do not attempt to use  commit or rollback in PL/SQL when they are disabled in the current session.