Message SAP RECD022 - Validity not exactly the same as the object validity from &1 to &2

Diagnosis
The validity of the condition begins before thestart of the assignment of the condition object to the contract, and/orit ends after the end of the assignment of thecondition object to the contract.
During periodic posting, the system only considers these conditions forthe time period during which the validity of the condition and thevalidity of the assignment periods overlap.