• Hello,

    I went to the plugins on my site this morning and I received this error for all of my installed plugins, “the plugin does not have a valid header,” and then they were deactivated. Now there are no plugins listed at all and most of my site isn’t working. I checked my ftp already and the plugin file name was not changed, which can cause the plugins to be deactivated. Has anyone encountered this problem before and knows how to fix it?

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  • This same thing happened with a client site – idsewing.com At first there was an error that said “The plugin does not have a valid header” but then when I updated all the plugins disappeared from inside WP-Admin.

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  • The topic ‘I got an error for all my plugins at once and they deactivated’ is closed to new replies.