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