Ticket for: Post Grid
0
horstus
when I aktivate the premium version of the plugin it reads:
Das Plugin hat keinen validen Header.
(the plugin has no valid header)
I used the free version before (in combination with filter&search) and it worked.
deaktivated and than deleted the free version, then installed the pro version - when I activate, the error appears.
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Best Answer
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Welcome to our forum.
Can you please go plugin list page and activate from there. please see the screenshot
https://imgur.com/lbWwVqn
Let me know the result, also can you please tell me which version of WP you are using?
Regards
Replying as Submit