No quota type found for leave accrual

What causes this issue?

In the view V_T5DTM_BAU "Attributes for Absence Quota Types for IT
2006", absence quotas are identified as relevant for the leave accrual.
There are no corresponding attributes assigned to the quotas in the
current "Leave Regulations" of the view V_T5DB_UREGELN.

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?

Procedure for System Administrators

Where necessary, enhance or correct the Customizing settings.

Error message extract from SAP system. Copyright SAP SE.