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Why are some Magento 1 entities not in Magento 2?
Some Magento 1 entities (in most cases, coming from extensions) do not exist in the Magento 2 database. This message appears because the Data Migration Tool runs internal tests to verify that tables and fields are consistent between source (Magento 1) and destination (Magento 2) databases.
How to fix a Magento 2 migration error?
If the conflicting data originates from an extension which adds own database structure elements, then the Magento 2 version of the same extension may add such elements to the destination (Magento 2) database, thus fixing the issue. Use the -a argument when executing the tool to auto resolve errors and prevent migration from stopping.
Is it possible to install Magento 2.4.2?
Updated April 13th, 2021: Users may run into a 404 Not Found error when trying to install Magento 2.4.2. Follow the suggested solution in the article for the best result.
How to manage store settings in Magento 2?
Open the config.php file and delete the last line. Open the config.local.php file and copy the contents. Paste the contents into the config.php file, save, and complete adding it to Git. Deploy across your environments. You only need to complete this migration once.
How to troubleshoot FOREIGN KEY constraint in Magento?
Foreign key constraint fails on source database. Orphan records id: , from . has no referenced records in There are missing database records in the parent_table to which the field_id of the child_table is pointing to.
When to use incremental migration in Magento 1?
Within this step, the Data Migration Tool creates additional tables and triggers for the migration tables in the Magento 1 database. They will be used in the incremental/delta migration step. Additional tables contain information about changed records after the final migration execution.