2 Improved formatting
source | link

You will need to copy the folder \vendor\magento\module-email\view\frontend\email\vendor\magento\module-email\view\frontend\email to \vendor\magento\module-email\view\adminhtml\email\vendor\magento\module-email\view\adminhtml\email. For some reason, it's looking in the adminhtmladminhtml folder for the header.htmlheader.html file.

https://github.com/magento/magento2/issues/5288

This worked for me.

You will need to copy the folder \vendor\magento\module-email\view\frontend\email to \vendor\magento\module-email\view\adminhtml\email. For some reason, it's looking in the adminhtml folder for the header.html file.

https://github.com/magento/magento2/issues/5288

This worked for me.

You will need to copy the folder \vendor\magento\module-email\view\frontend\email to \vendor\magento\module-email\view\adminhtml\email. For some reason, it's looking in the adminhtml folder for the header.html file.

https://github.com/magento/magento2/issues/5288

This worked for me.

1
source | link

You will need to copy the folder \vendor\magento\module-email\view\frontend\email to \vendor\magento\module-email\view\adminhtml\email. For some reason, it's looking in the adminhtml folder for the header.html file.

https://github.com/magento/magento2/issues/5288

This worked for me.