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

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

Activation: The plugin does not have a valid header.
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quodran

posts 3

6:03 am June 16, 2010
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1

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
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2

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
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3

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
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4

I upgraded wordpress to 3.0 and it worked.
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