Oracle Message ORA-02051 - another session in same transaction failed

ERRORanother session in same transaction failed
CAUSEa session at the same site with same global transaction ID failed; It can also be caused by application error if an attempt was made to update database while another tightly coupled transaction branch with same global transaction ID has been finalized.
ACTIONnone necessary, transaction automatically recovered. In case of application error, make sure no more updates to database once transaction manager has started two-phase commit for tightly coupled distributed transaction.