Several Invalid Objects Noticed After Upgrading From 4.5.3 to 4.6.2 Using RDBMS 12c (Doc ID 2118292.1)

Errors for PACKAGE BODY RXC.RDC_ZF_DCI_ACCESS:
55/4 PL/SQL: SQL Statement ignored
55/29 PL/SQL: ORA-01031: insufficient privileges

Errors for PACKAGE BODY RXC.TRACKACTIVITIES:
0/0 PL/SQL: Compilation unit analysis terminated
1/18 PLS-00201: identifier 'TRACKACTIVITIES' must be declared
1/18 PLS-00304: cannot compile body of 'TRACKACTIVITIES' without its Specification

Errors for PACKAGE BODY RXC.RXC_DCI_BOOK_RULES_API:
0/0 PL/SQL: Compilation unit analysis terminated
1/18 PLS-00201: identifier 'RXC_DCI_BOOK_RULES_API' must be declared
1/18 PLS-00304: cannot compile body of 'RXC_DCI_BOOK_RULES_API' without its specification

Errors for PACKAGE BODY RXC.RDC_REPORT_XML_GENERATION:
4428/3 PL/SQL: Statement ignored
4428/33 PLS-00201: identifier
'RXC_RESPONSE_LOBS.FETCH_RESPONSE_VERSION_LOB' must be declared
4454/3 PL/SQL: Statement ignored
4454/33 PLS-00201: identifier
'RXC_RESPONSE_LOBS.FETCH_RESPONSE_CURRENT_LOB' must be declared

Errors for PACKAGE BODY RXC_REP.REPLINVSITE:
168/5 PL/SQL: SQL Statement ignored
193/12 PL/SQL: ORA-00904: "EXPECTED_ENROLLMENT_RATE": invalid identifier

Errors for TRIGGER RXA_DES.PATIENT_STATUSES$ARI:
2/20 PL/SQL: Item ignored
2/20 PLS-00201: identifier 'RXA_DES.PATIENT_POSITION_TY' must be
declared
10/3 PL/SQL: SQL Statement ignored
10/10 PL/SQL: ORA-00904:
"RXA_DES"."PATIENT_POSITIONS_PCK"."CREATE_PATIENT_POSITION_PS":
invalid identifier
62/3 PL/SQL: Statement ignored
62/6 PLS-00320: the declaration of the type of this expression is incomplete or malformed