provide the details of :
Customer also did not find the following DMA log files for analysis
1. DMA backup log >> C:\program files\common files\cisco\logs\dma\BACKUP\Backup*.log
2. Data validation log >> C:\CiscoWebs\DMA\Bin\datavalidation.log
3. Database export operation log file >> C:\ciscowebs\dma\bin\exportdb.log
4. DMA operation trace file >> C:\Program Files\Cisco\Trace\DMA\Trace*.log
also as a workaround uninstall DMA , reinstall DMA and rerun DMA backup