after install of premium post grid no valid header error

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after install of premium post grid no valid header error 1
horstus
May 31, 2019 03:02 PM 1 Answers
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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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after install of premium post grid no valid header error 4
PickPlugins
May 31, 2019
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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

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