Host name for the SAP gateway (&1 / &2) could not be determined

What causes this issue?

The host name for the SAP gateway (IP address: &V1&; gateway service:
&V2&) could not be determined.

System Response

The action is continued.

How to fix this error?

Under certain conditions this may have a negative effect on how service
administration functions. If this is the case, notify your system
administrator.

Procedure for System Administrators

Check the IP address and logical name of the gateway.

Error message extract from SAP system. Copyright SAP SE.