No default subitem defined for subitem category &1

What causes this issue?

Data collection uses the default subitem to fill any missing subitem
assignment if the user should refrain from explicitly correcting
errors. This applies to all integrated data transfer methods.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In Customizing of Consolidation, specify a default value for subitem
category &V1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.