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.

Post
New Member

quodran

posts 3

6:03 am June 16, 2010

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?

New Member

quodran

posts 3

8:09 am June 16, 2010

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

New Member

mikem099

posts 1

8:42 am June 27, 2010

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?


New Member

quodran

posts 3

8:54 am June 27, 2010

I upgraded wordpress to 3.0 and it worked.


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