INvalid object after upgrading from 11.5.10.2 to R12

Hi,
Invalid objects after the upgrade from 11.5.10 to R12

AP_PAYMENT_EVENT_WF_PKG
DECRYPT
OWA_OPT_LOCK
OWA_UTIL
PA_PWP_SUMM_PKG
PO_LINES_ALL
PO_VENDORS
ZPB_BUILD_METADATA

We tried to compile using Adadmin & utlrp.sql but they are still invalid.

Detailed errors :
--------------------------
AP_PAYMENT_EVENT_WF_PKG
DECRYPT
OWA_OPT_LOCK
OWA_UTIL
PA_PWP_SUMM_PKG
PO_LINES_ALL
PO_VENDORS
ZPB_BUILD_METADATA



SQL> alter package AP_PAYMENT_EVENT_WF_PKG compile body;

Warning: Package Body altered with compilation errors.

SQL> show error
Errors for PACKAGE BODY AP_PAYMENT_EVENT_WF_PKG: