Magento2 Theme Configuration – Fix ‘theme_dir’ Parameter Not Passed

configurationmagento2themetroubleshooting

What is the error message:

Required parameter 'theme_dir' was not passed

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

Best Answer

Just in case if you are removing theme directly(Not in Magento way).

Then follow these steps.

STEP 1 : File Operations

Delete the content from app/design/frontend/<Vendor> (make sure you back it up first).

Delete all the content of folder var/view_preprocessed & pub/static/frontend. 

rm -rf var/view_preprocessed/* pub/static/frontend/*

STEP 2 : DB Operations

Go to your theme table and delete the entry for your created theme.

After that...

Go to your core_config_data table and search the column path for design/theme/theme_id 

SELECT * FROM core_config_data WHERE path = "design/theme/theme_id"

and replace your default theme id in it.

STEP 3 : Flush cache

Flush your cache php bin/magento cache:flush

It is very important that you follow all the steps first before trying to change the design in the backend! Otherwise it won't work.

Let me know if you still face any problems after that.

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