“The plugin does not have a valid header” Is the white screen displayed when trying to Activate plugin. I had deleted UpDraft (for security reasons) and in the meantime I see Updraft updated 2 days ago…I have never run across this issue before, I have been doing this (deleting when not in use) and using define( ‘DISALLOW_FILE_EDIT’, true );
define( ‘DISALLOW_FILE_MODS’, true ); in my wp-config , again for security reasons.
Checked all errorlogs at hosting, no errors found
I am at a loss here, hope you can help
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