restoring data issue

restoring data issue

Hi 

we are trying to restore the data and we are getting this error

java.lang.Exception: Exception occured while restoring, CheckSum file is missing /opt/ManageEngine/ServiceDesk-20190401/backup/backup_postgres_9411_fullbackup_03_27_2019_17_59/backup_postgres_9411_fullbackup_03_27_2019_17_59_part_1.data,path ./backup_postgres_9411_fullbackup_03_27_2019_17_59_part_1.data.txt


please help us on this as we are stuck

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