How to fix the Oracle error ORA-34210: (MXCHGDCL18) You cannot change workspace object to a dimension composite because one or more surrogates has been defined for it.?

In this post, you’ll learn more about the Oracle ErrorORA-34210: (MXCHGDCL18) You cannot change workspace object to a dimension composite because one or more surrogates has been defined for it. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-34210: (MXCHGDCL18) You cannot change workspace object to a dimension composite because one or more surrogates has been defined for it.

Reason for the Error ORA-34210: (MXCHGDCL18) You cannot change workspace object to a dimension composite because one or more surrogates has been defined for it.

The user attempted to redefine a conjoint dimension as a composite, but the conjoint has one or more surrogates defined. A dimension that has surrogates cannot be redefined as a composite.

How to fix the Error ORA-34210: (MXCHGDCL18) You cannot change workspace object to a dimension composite because one or more surrogates has been defined for it. ?

You can fix this error in Oracle by following the below steps

Either delete all surrogates for the dimension, or do not attempt to redefine the dimension as a composite.