Quota scale &1 cannot be selected

What causes this issue?

The user exit for selecting a suitable
<DS:GLOS.352A8D3BD3895CD5E10000009B38F974>quota scale</> returned data
that contained errors.

System Response

The returned quota scale cannot be used for the split. You can enter a
quota scale manually if you wish.

How to fix this error?

You can proceed, but the system, may find a quota scale that is not the
one you intended to use.

Procedure for System Administrators

All quota scales that can be selected are passed on to the user exit
for selecting a suitable quota scale in an internal table. The user
exit, however, returned a quota scale that is not contained in this
internal table.

Error message extract from SAP system. Copyright SAP SE.