Part &1 refers to place &2, which does not exist

What causes this issue?

You have specified a technical enhancement place for a part that does
not exist.
It may have been deleted.

System Response

An error is displayed.

How to fix this error?

Correct the place ID or recreate the place.
Note:
Never delete a place that has been delivered.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.