In this post, you’ll learn more about the Oracle ErrorORA-34487: (MXMAINT08) You cannot string values of non-unique concat dimension workspace object. with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-34487: (MXMAINT08) You cannot string values of non-unique concat dimension workspace object.
Reason for the Error ORA-34487: (MXMAINT08) You cannot string values of non-unique concat dimension workspace object.
The specified MAINTAIN operation can only be applied to UNQUE concats.
How to fix the Error ORA-34487: (MXMAINT08) You cannot string values of non-unique concat dimension workspace object. ?
You can fix this error in Oracle by following the below steps
Use the CHGDFN command to change the concat dimension to UNIQUE and retry.