Activation: The plugin does not have a valid header. Installation / Upgrading - All in One SEO Pack Forum

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Activation: The plugin does not have a valid header.

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Activation: The plugin does not have a valid header.

June 16, 2010
6:03 am

quodran

New Member

Forum Posts: 3

Member Since:
June 16, 2010

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Hi,
I just purchased the pro version and I get this error message when trying to activate the plugin:
The plugin does not have a valid header.
I had the non pro version installed, I removed it first.
Using WordPress 2.9.2
Any ideas?

June 16, 2010
8:09 am

quodran

New Member

Forum Posts: 3

Member Since:
June 16, 2010

Offline

Here are the plugins installed:
Akismet
Breadcrumb NavXT
cformsII
Editor Extender
FeedBurner FeedSmith
Flexi Pages Widget
Google XML Sitemaps
NextGEN Gallery
NextPage Buttons
Number My Post Pages
OmniFeed
Redirect Parent to First Child
Remove Title Attributes
Social Bookmarks
Validated
WassUp
WordPress Database Backup
WordPress Online Automated Backup
WP-Paginate
WPML Multilingual CMS

June 27, 2010
8:42 am

mikem099

New Member

Forum Posts: 1

Member Since:
June 27, 2010

Offline

I have the same problem – what was the solution?

thanks

Mike

quodran said:

Hi,
I just purchased the pro version and I get this error message when trying to activate the plugin:
The plugin does not have a valid header.
I had the non pro version installed, I removed it first.
Using WordPress 2.9.2
Any ideas?

June 27, 2010
8:54 am

quodran

New Member

Forum Posts: 3

Member Since:
June 16, 2010

Offline

I upgraded wordpress to 3.0 and it worked.

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