When I'm trying to change my theme with the luma theme from backend on Magento 2.2.9 after upgrade from Magento 2.2.6, I'm getting following error.enter image description here

Please help

  • try with sudo php bin/magento setup:upgrade Sep 4, 2019 at 10:45

1 Answer 1


This is Permission Error, Try to Use Sudo Command as

For Ex: sudo php bin/magento s:up && sudo php bin/magento s:d:c && sudo php bin/magento s:s:d -f && sudo php bin/magento c:c && sudo php bin/magento c:f

Or You have Permission Error

Please use following Command for Permission as

For Ex: sudo chmod -R 777 var/ pub/ generated/

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