Could not authorize remote server for user string
ORA-28030 – Oracle Error Code
Server encountered problems accessing LDAP directory service
ORA-28035 – Oracle Error Code
Cannot Get Session Key for Authentication
ORA-28100 – Oracle Error Code
Policy function schema string is invalid
ORA-28101 – Oracle Error Code
Policy already exists
ORA-28102 – Oracle Error Code
Policy does not exist
ORA-28103 – Oracle Error Code
Adding a policy to an object owned by SYS is not allowed
ORA-28020 – Oracle Error Code
IDENTIFIED GLOBALLY already specified
ORA-28021 – Oracle Error Code
Cannot grant global roles
ORA-28022 – Oracle Error Code
Cannot grant external roles to global user or role