I have successfully completed migrated data from Magento1-EE( to Magento2-EE(2.1.5). To migrate additional data from newer Magento1 database I am trying to use delta step of data migration tool.

I am facing Volume check failed error during migration with warning message Mismatch of entities in the document. I have set map.xml file previously to migrate bulk data using data step.

What should I need to check more to migrate additional data using delta step? Any help would be appreciated.

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