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I am migrating Magento 1.9.4.5 to Magento 2.3.3. I have followed all the mentioned steps to install and configure Data Migration tool as per the instruction in https://devdocs.magento.com/guides/v2.4/migration/migration-tool-install.html.

I have successfully migrated Settings but while migrating data, i got the error

In ClassReader.php line 19:

   Class Migration\Handler\CleanMultiselect does not exist

and Migration stopped. enter image description hereCheck the screenshot attached

I checked and found all the customers, Categories and Products are migrated but orders are not there. I am unable to fix this issue. Can anyone help me for the same

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2 Answers 2

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can you please check if the file CleanMultiselect.php is present in magento-root/vendor/magento/data-migration-tool/src/Migration/Handler/ location. if not present then add according to your data-migration-tool version.

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Please make sure you've downloaded the correct version of Data Migration Tool:

1. php bin/magento --version [Output: Magento CLI 2.3.3]
2. composer https://repo.magento.com composer require
3. magento/data-migration-tool:2.3.3

Class Migration\Handler\CleanMultiselect is exists in the Data Migration Tool

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