Oracle Message ORA-07457 - cannot set _INTERNAL_RESOURCE_MANAGER_PLAN because of FORCE

ERRORcannot set _INTERNAL_RESOURCE_MANAGER_PLAN because of FORCE
CAUSEAn attempt was made to set the _INTERNAL_RESOURCE_MANAGER_PLAN parameter, however this failed because the current RESOURCE_MANAGER_PLAN has the FORCE prefix.
ACTIONRemove the FORCE prefix from the RESOURCE_MANAGER_PLAN parameter.