How to fix the Oracle error XOQ-01431: Primary dimension must have at least one hierarchy.?

In this post, you’ll learn more about the Oracle ErrorXOQ-01431: Primary dimension must have at least one hierarchy. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-01431: Primary dimension must have at least one hierarchy.

Reason for the Error XOQ-01431: Primary dimension must have at least one hierarchy.

Cause: An MdmPrimaryDimension was defined without any hierarchies.

How to fix the Error XOQ-01431: Primary dimension must have at least one hierarchy. ?

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

Action: Add a hierarchy to the requested MdmPrimaryDimension using the OLAP Metadata API. If the primary dimension is read from the OLAP Catalog, then add a hierarchy to the primary dimension in the catalog table, or remove the primary dimension from the table if it is no longer relevant.