No partner profiles (message control) defined

What causes this issue?

No IDOC partner profiles have been created for the message control for
for application &v1&, condition key &v2& and change message
'&v3&' with partner type 'LS' and partner role ' '.

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?

Please create the partner profiles for the logical system that should
contain the IDOC. You can either generate them from the ALE model or
create them manually.

Error message extract from SAP system. Copyright SAP SE.