No BWA destinations found

What causes this issue?

The system could not find any TREX destinations. There are two possible
reasons for this:
There really are no RFC destinations that meet your search criteria for
TREX.
There are TREX destinations that meet your search criteria, but they are
not registered for the analytical indexes (table maintenance
RSDDLTIPTREXCONN).

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?

Check your search criteria and/or the registration of TREX destinations.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.