SAP Message VLCU005 - You can only run the conversion program during the upgrade

Diagnosis
The conversion program for index tablesfor deliveries can only be executed during theupgrade.
If you run the conversion program directly at a later point, this maycause data inconsistencies in the index tables, since thepooled tables of thematchcode objects VMVL,VMVM, and VMVG read by the conversion program, as of Release 4.70, areno longer updated by the system.

System Response
The conversion program is ended.

Procedure for System Administration
Use reportRLE_SHP_IDX_TABLE_MAINTAIN toreconstruct the index tables consistently. Before you run this program,you should read the relevantdocumentation.