No VCH AFL procedures installed on the DB. Please see long text.

What causes this issue?

No registered AFL procedure could be found on this system

System Response

Configuration with advanced variant configuration not possible.

How to fix this error?

See SAP Note 2598627 for further help:
<DS:URLA.https://launchpad.support.sap.com/#/notes/2598627>link</>.

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

The following list shows common problems with a VCH AFL installation:
A VCH AFL is not installed. Please install, a VCH AFL.
A wrong version of the VCH AFL is installed. The VCH AFL doesn't fit to
your SAP S/4 HANA system installation. Please install a correct VCH AFL
matching your S/4 HANA system release, SPS level and HANA revision.
No script server is running on your database. Please start a script
server.
Not authorized to execute VCH AFL procedures. Please grant the required
privileges to the technical user, who is designated the task of
executing database calls to run VCH AFL procedures.

Error message extract from SAP system. Copyright SAP SE.