problem oracle8i lors de l exportation

l exportation de ma base de donnees oracle8i me cause:

EXP-00008: ORACLE error 6553 encountered
ORA-06553: PLS-213: package STANDARD not accessible
EXP-00083: The previous problem occurred when calling SYS.DBMS_AQ_EXP_QUEUES.grant_sysprivs_exp

EXP-00008: ORACLE error 6553 encountered
ORA-06553: PLS-213: package STANDARD not accessible
EXP-00083: The previous problem occurred when calling SYS.DBMS_RMGR_GROUP_EXPORT.grant_sysprivs_exp

EXP-00008: ORACLE error 6553 encountered
ORA-06553: PLS-213: package STANDARD not accessible
EXP-00083: The previous problem occurred when calling SYS.DBMS_RMGR_PLAN_EXPORT.grant_sysprivs_exp

Il y a peut être un pb de droit du user avec lequel tu lances l'export ?
(quel user, quel droit, quelle plate forme ?....)