Message Oracle ORA-34489 - (MXMAINT06) You cannot maintain workspace object because it is a SURROGATE.

ERROR(MXMAINT06) You cannot maintain workspace object because it is a SURROGATE.
CAUSEThe user attempted to use the MAINTAIN command on a dimension surrogate. The MAINTAIN command can only be used with real dimensions, not surrogates.
ACTIONUse the MAINTAIN command to modify the underlying dimension of the surrogate instead.