Title: [Plugin: WP-HTML-Compression] 'Wrong header' message on activate
Last modified: August 20, 2016
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# [Plugin: WP-HTML-Compression] 'Wrong header' message on activate
* Resolved [zerpex](https://wordpress.org/support/users/zerpex/)
* (@zerpex)
* [14 years ago](https://wordpress.org/support/topic/plugin-wp-html-compression-wrong-header-message-on-activate/)
* I’m getting a message, that there is a wrong header sent, when I try to activate
the plugin.
* Best regards,
Lucas Rolff
* [http://wordpress.org/extend/plugins/wp-html-compression/](http://wordpress.org/extend/plugins/wp-html-compression/)
Viewing 1 replies (of 1 total)
* Plugin Author [Steven Vachon](https://wordpress.org/support/users/prometh/)
* (@prometh)
* [14 years ago](https://wordpress.org/support/topic/plugin-wp-html-compression-wrong-header-message-on-activate/#post-2719561)
* [http://smartmediapro.com/blog/tips-and-guides/wordpress-error-plugin-does-not-have-a-valid-header/](http://smartmediapro.com/blog/tips-and-guides/wordpress-error-plugin-does-not-have-a-valid-header/)
* Does this help?
Viewing 1 replies (of 1 total)
The topic ‘[Plugin: WP-HTML-Compression] 'Wrong header' message on activate’ is
closed to new replies.
* 
* [WP-HTML-Compression](https://wordpress.org/plugins/wp-html-compression/)
* [Frequently Asked Questions](https://wordpress.org/plugins/wp-html-compression/#faq)
* [Support Threads](https://wordpress.org/support/plugin/wp-html-compression/)
* [Active Topics](https://wordpress.org/support/plugin/wp-html-compression/active/)
* [Unresolved Topics](https://wordpress.org/support/plugin/wp-html-compression/unresolved/)
* [Reviews](https://wordpress.org/support/plugin/wp-html-compression/reviews/)
* 1 reply
* 2 participants
* Last reply from: [Steven Vachon](https://wordpress.org/support/users/prometh/)
* Last activity: [14 years ago](https://wordpress.org/support/topic/plugin-wp-html-compression-wrong-header-message-on-activate/#post-2719561)
* Status: resolved