How to fix the Oracle error XOQ-02212: The expression for this MdmMeasure cannot be read. Analytic workspace “string” was not attached when the connection was opened.?

In this post, you’ll learn more about the Oracle ErrorXOQ-02212: The expression for this MdmMeasure cannot be read. Analytic workspace “string” was not attached when the connection was opened. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-02212: The expression for this MdmMeasure cannot be read. Analytic workspace “string” was not attached when the connection was opened.

Reason for the Error XOQ-02212: The expression for this MdmMeasure cannot be read. Analytic workspace “string” was not attached when the connection was opened.

Cause: The Oracle Database 10g analytic workspace contained a derived measure. Derived measures can only be upgraded if the analytic workspace is attached before the first call to DataProvider.createSession or DataProvider.initialize.

How to fix the Error XOQ-02212: The expression for this MdmMeasure cannot be read. Analytic workspace “string” was not attached when the connection was opened. ?

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

Action: Attach the analytic workspace before calling DataProvider.createSession or DataProvider.initialize. Alternatively, set the IgnoreMappingErrors option to YES in the UPGRADE or COMMIT options to suppress this error message. The derived measure will become an MdmBaseMeasure after the upgrade.