Shipper migration stuck at 83%

I am trying to migrate one of my site and the migration seem to be stuck at 83%

in the logs I can see July 6, 2019 9:39 pm – Error uploading /tmp/shipper-ci****in-ut***ita/tmp/wp_woocommerce_sessions.sql to utk****.com/sqls/wp_woocommerce_sessions.sql: Error executing “PutObject” on “https://wpmudev-shipper.s3.amazonaws.com/767396/utk*****.com/sqls/wp_woocommerce_sessions.sql”; AWS HTTP error: Client error: PUT https://wpmudev-shipper.s3.amazonaws.com/767396/utk****.com/sqls/wp_woocommerce_sessions.sql resulted in a 400 Bad Request response: