Could not unserialize data of sales_flat_order_item.weee_tax_applied

[shaLVerma]

Preconditions

1. Magento 1.9.2.1 to Magento 2.3.4
2. PHP Version 7.2.33

Steps to reproduce

1. Install data migration tool using composer
2. Set up necessary things like modification in config.xml, map.xml and class-map.xml

Expected result

1. Migrated Successfully

Actual result

1. Could not unserialize data of sales_flat_order_item.weee_tax_applied with record id 3740
2. Could not unserialize data of sales_flat_order_item.weee_tax_applied with record id 3746
3. Could not unserialize data of sales_flat_order_item.weee_tax_applied with record id 3753
4. so on and migration process stuck after these warning messages.
5. mostly all data migrated but sales gird data are not migrated in sales grid tables like order grid and invoice grid.

Additional notes

I have tried these solution but did not help me to fix my issue. https://github.com/magento/data-migration-tool/commit/f3cdd846246d3f2b26b3c3ac6f48c59032de85a7 https://www.catgento.com/2020/04/16/magento-2-migration-errors-unserialize/

Please help me to fix this issue

[m2-assistant[bot]]

Hi @shaLVerma. Thank you for your report. To help us process this issue please make sure that you provided sufficient information.

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[m2-assistant[bot]]

Hi @shaLVerma! :wave: Thank you for collaboration. Only members of Community Contributors Team are allowed to be assigned to the issue. Please use @magento add to contributors team command to join Contributors team.

[shaLVerma]

I need help to fix this issue. I did not find any solution @victor-v-rad please help me.