Migration issue from M1.9 to M2.3.1

After importing settings successfully when I run data migration command it gave me following error:

There are no commands defined in the "migrate" namespace.
  • you have data-migration tool with composer tool successfully? Apr 1, 2019 at 10:00
  • Yes! also fix above issue, let me post my findings on it Apr 1, 2019 at 10:18

2 Answers 2


Actually After migrate settings, I had imported one wrong custom module's setting into M2 core_config_data table. Due to which non of the cli commands workable: i run just php bin/magento I had following error at the end.

Notice: Undefined index: jobs in /usr/local/ampps/www/mage231/vendor/magento/module-cron/Model/Config/Converter/Db.php on line 39

So I fix this issue (In your case issue can be different but direction is same) and after that run migration command.


There must have some problems during the process. You need to re-install the migration tool following this dev document: https://devdocs.magento.com/guides/v2.3/migration/migration-tool-install.html.

And run it again!

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