Failure in mass-data-update using the migration tool

Failure in mass-data-update using the migration tool

I am using the migration tool provided my Zoho Creator to do mass data updates, so I don't need to write functions to do it.  But during the update process I got "data already exists" errors... of course "data already exists" because I am using the ID as the unique identifier to update existing records with data from my spreadsheet... any clue?

ID field1 status seriqla
21677000010333591 dupe_48f86a66-e8e2-41d7-86a8-5263a83bd10b 120 100001
21677000010333595 dupe_48f86a66-e8e2-41d7-86a8-5263a83bd10b 120 100002
21677000013045011 dupe_48f86a66-e8e2-41d7-86a8-5263a83bd10b 120 100003