SAP Message UMGLOG409 - &1 INDX Logs have not been maintained completely.

Diagnosis The INDX Logs show all data records for INDX type tables for which thecode page information could not be set correctly. It is important thatthe code page information is correctly set because it is used in theUnicode system for the conversion of INDX records. Procedure Maintain the INDX Logs completely for all tables. This can be doneduring the uptime before the conversion. If you do not maintain the INDXLogs you will have to repair the data records manually in transactionSUMG after the conversion.