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How to fix “Required parameter ‘theme_dir’ was not passed” in Magento 2

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#1 erictran



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Posted 10 October 2020 - 04:00 AM

The error may happen when you try to save product in Magento 2 admin, the error message displays right here:

Required parameter 'theme_dir' was not passed

Is it related to in Magento 2? And how can this problem be fixed?

I found a working solution here, hope it helps for someone who are struggling with it


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