SAP Message USZ124 - Ind.&1: Lines with key, without pattern &2, contain SAP Content.

Diagnosis
Table rows with key fields not matching the pattern &V2&, containstandard SAP Content. Changes in these rows will be overwritten in thenext release change.

Procedure
You can keep the change by saving the modified table. If you exit valuemaintenance without saving, the changes will be lost.
Keep your changes until the data is updated again in the next releasechange.