Cannot perform delta migration on multiselect attributes.

[ioweb-gr]

Preconditions

1. Magento 1.9.4.2 to 2.4.1
2. Migration data tool 2.4.1

Steps to reproduce

1. Create a required multi select attribute in Magento 1 and create products using this attribute.
2. Perform a single data migration.
3. Add more products in Magento 1 and fill this attribute.
4. Perform a delta migration

Expected result

1. The new values are migrated

Actual result

1. The new products are created but the value is not set for the multiselect attribute

Additional notes

While trying to understand why the products didn't have the values I noticed that during the data migration step the values are correctly transferred from the catalog_product_entity_text to catalog_product_entity_varchar table however this is not hapepning in the delta migration.

On my install, the data for this attribute during the delta migration is filled on catalog_product_entity_text table by mistake.

[m2-assistant[bot]]

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

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[ioweb-gr]

Any help on this guys? How can I transfer the missing data?