Title: This plugin has no valid header
Last modified: August 20, 2016

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# This plugin has no valid header

 *  [Ulfsby Webdesign](https://wordpress.org/support/users/sulfsby/)
 * (@sulfsby)
 * [15 years ago](https://wordpress.org/support/topic/this-plugin-has-no-valid-header/)
 * I tried to install the plugin, but got the error message: “This plugin has no
   valid header”. I tried a second time with the same result. I use WordPress 3.1.3.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [fermk090](https://wordpress.org/support/users/fermk090/)
 * (@fermk090)
 * [14 years, 12 months ago](https://wordpress.org/support/topic/this-plugin-has-no-valid-header/#post-2126950)
 * I was having the same error,you have to extract the rar file inside the folder
   that you had extracted from the file downloaded
 *  Thread Starter [Ulfsby Webdesign](https://wordpress.org/support/users/sulfsby/)
 * (@sulfsby)
 * [14 years, 12 months ago](https://wordpress.org/support/topic/this-plugin-has-no-valid-header/#post-2126954)
 * Thank you. It means you can not install the plugin from the dashboard but have
   to doanload it and extract it.
 *  [fermk090](https://wordpress.org/support/users/fermk090/)
 * (@fermk090)
 * [14 years, 12 months ago](https://wordpress.org/support/topic/this-plugin-has-no-valid-header/#post-2126955)
 * Well,this way , i activated the plugin,but i couldn’t get the slider running 
   yet.
    Now i’m getting this error after adding a transition
 * Warning: trim() expects parameter 1 to be string, array given in C:\wamp\www\
   wordpress\wp-content\plugins\piecemaker\piecemaker-main.php on line 1392
 * Maybe,if you are lucky enough to get the slider running,you could help me this
   time with the error i’m getting ….

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘This plugin has no valid header’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/the-piecemaker-image-rotator.svg)
 * [The Piecemaker 2](https://wordpress.org/plugins/the-piecemaker-image-rotator/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/the-piecemaker-image-rotator/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/the-piecemaker-image-rotator/)
 * [Active Topics](https://wordpress.org/support/plugin/the-piecemaker-image-rotator/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/the-piecemaker-image-rotator/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/the-piecemaker-image-rotator/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [fermk090](https://wordpress.org/support/users/fermk090/)
 * Last activity: [14 years, 12 months ago](https://wordpress.org/support/topic/this-plugin-has-no-valid-header/#post-2126955)
 * Status: not resolved