I installed the apex and able to login with the Admin credentials . But when i try to create a workspace its giving the below error . Please guide me.
Error provisioning sample.
ORA-20001: Request 2598524574381583 could not be processed. -20987 ORA-20987: APEX - Unable to create user. ORA-65096: invalid common user or role name - ORA-65096: invalid common user or role name
It looks like Oracle 12C + APEX 4.2 error. See http://www.google.co.in/search?sourceid=chrome&ie=UTF-8&q=ORA-65096