Plan/del cycle &1 not allowed for plant &2 (promo type &3,material &4)

What causes this issue?

The specified planning or delivery cycle is not assigned to either the
current plant or to its reference plant.

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?

Correct the planning or delivery cycle.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.