Logical system &1 does not exist in table TBDLS

What causes this issue?

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?

Procedure for System Administrators

Ensure that logical name of the source system from which the products
are to be copied exists as an entry in the table TBDLS. Check using
transaction BD54.

Error message extract from SAP system. Copyright SAP SE.