Missing dates in date line. Check your transportation chains &1 and &2

What causes this issue?

The resulting date line does not contain a presentation date, latest
purchasing order generation date or delivery date to the distribution
center. Changes in the date line cannot be accepted.

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

System Response

How to fix this error?

Check the transportation chains.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.