Plugins not showing on dashboard?

I've seen other people post the same question but I think my scenario is a bit different.

My plugins WERE working fine UNTIL I created 2 additional sites and added an extension plugin.

So basically my website structure looked like this:

/public_html/ -- main site

/public_html/test/ -- second site

/public_html/test2/ -- third site

I forgot exactly when the problem started occurring, but there was a moment when I was installing a new plugin (it was NextGen gallery extension) on my main site in the same manner that I install all of my other plugins (which were all working fine), then out of nowhere, I get this error saying that my nextgen gallery file (not the extension) was missing a valid header or something. Next thing I knew, all of my plugins EXCEPT the gallery extension plugin disappeared. They are still in the server but not showing up in the dashboard. It's as though the extension plugin screwed something up.

Any ideas? Kinda weird. I could try deactivating the extension plugin....haven't done it yet but wondered if anybody else had ideas. How does one plugin cause a mess to other plugins that were working fine?

Topic plugin-nextgen-gallery plugins Wordpress

Category Web

1
answered at

I had the same problem the site I was developing was utilizing this plugin to show gallery on the homepage. The first few days the site was working well but when I launched a persistent white screen of death error developed.

I used the FTP access to rename the plugin file to something like(old_plugins) in this directory wp-content/old_plugins. I refreshed the site and realized the site as back and therefore concluded its a plugin problem.

I started sorting them one by one...when I came to Next Gen when I activated it the white screen of death error was back.

I simply deleted it and the error was gone. When I researched about the bugs of NEXT GEN I realized that even the plugin author acknowledges they released the latest version (2.0.0) with several bugs. http://www.nextgen-gallery.com/open-letter-to-the-nextgen-community-from-erick-danzer/

The root problem is a conflict with other caching plugins, esp nextgen plugin from version 2.0.0

I hope that helps.

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