SAP Message REBDRO023 - Assignment of pooled space <> space is not within the basic period (&1)

Diagnosis
Rental space &V4& is assigned to &V3&.
However, the period of validity of the pooled space &V2& is &V1&.

System Response
The assignment cannot be saved.

Procedure
Adjust the basic time period of the pooled space or the assignmentperiod of the rental space.