Title: Server error after hitting Activate Plugin Button Last modified: August 20, 2016 --- # Server error after hitting Activate Plugin Button * Resolved [Somnath Jadhav](https://wordpress.org/support/users/somnathjadhav/) * (@somnathjadhav) * [13 years, 5 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/) * Hi,I installed this plugin on my site.When I hit activate error It gives server error .On local machine It gives Fatal error. I want to use this plugin on my site. What can I do? * [http://wordpress.org/extend/plugins/woocommerce-compare-products/](http://wordpress.org/extend/plugins/woocommerce-compare-products/) Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/page/2/?output_format=md) [→](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/page/2/?output_format=md) * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 5 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325262) * Hi Somnath * Sorry I’m not a clairvoyant … what is the Fatal Error Message you are getting? * Thread Starter [Somnath Jadhav](https://wordpress.org/support/users/somnathjadhav/) * (@somnathjadhav) * [13 years, 5 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325264) * Thank you for your reply.I got solution. * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325292) * i m aslo getting same error somnath please tel me the solution… * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325293) * [@rainnaren](https://wordpress.org/support/users/rainnaren/) * What is the error message? * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325294) * when i activated woo commerce comapre products plugin i m getting server error * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325295) * [@rainnaren](https://wordpress.org/support/users/rainnaren/) * What is the server error message? Please copy and paste it in your reply. * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325296) * now i am getting fattal error because before that i installed one more plugin woocommerce-compare-products-pro and the fattal error is Fatal error: Cannot redeclare woo_add_compare_button() (previously declared in /home/ideathon/public_html/ wp-content/plugins/woocommerce-compare-products-pro/compare_products.php:53) in /home/ideathon/public_html/wp-content/plugins/woocommerce-compare-products/ compare_products.php on line 74 * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325297) * woocommerce-compare-products-pro url is * [http://www.gaaks.com/2012/09/04/cms/wordpress/wordpress-plugins/woocommerce-compare-products-wordpress-plugin-v2-0-1.html](http://www.gaaks.com/2012/09/04/cms/wordpress/wordpress-plugins/woocommerce-compare-products-wordpress-plugin-v2-0-1.html) * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325298) * [@rainnaren](https://wordpress.org/support/users/rainnaren/) * That error message is from WordPress not your server and it is telling you that you already have the plugin installed. The lite version and the Pro version use the same folder. * If you are trying to install the Pro Version – deactivate the lite version. * See the message is telling you that you can’t install it because it is already installed. * Cannot redeclare woo_add_compare_button() (previously declared in /home/ideathon/ public_html/wp-content/plugins/woocommerce-compare-products-pro/compare_products. php:53) * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325299) * ideathon.in is my website url please see,the 404 error is not for this plugin that is pro plugin error * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325300) * [@rainnaren](https://wordpress.org/support/users/rainnaren/) * WooCommerce Compare Products Pro – where did you purchase the Pro Version from? * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325301) * if i installed pro version i am getting 404 error about jquery.min.js file is missing my url is [http://ideathon.in/](http://ideathon.in/) please see * Plugin Author [Steve Truman](https://wordpress.org/support/users/a3rev/) * (@a3rev) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325302) * If you are trying to install the Pro Version of WooCommerce Compare Products you need to tell me where you brought it from so I can help you * [rainnaren](https://wordpress.org/support/users/rainnaren/) * (@rainnaren) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325304) * hi sir i cleared that 404 error i got woo commerce widget also but i m not getting how to compare mobiles.please tel me how to use that comparision my website url is [http://ideathon.in](http://ideathon.in) * Thread Starter [Somnath Jadhav](https://wordpress.org/support/users/somnathjadhav/) * (@somnathjadhav) * [13 years, 4 months ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/#post-3325305) * Hi all ,at first you shold install woocommerce plugin after that install woocommerce compare product.there will be no error. (I am in hurry,I will not be able to reply you) Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/page/2/?output_format=md) [→](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/page/2/?output_format=md) The topic ‘Server error after hitting Activate Plugin Button’ is closed to new replies. * ![](https://ps.w.org/woocommerce-compare-products/assets/icon.svg?rev=2083509) * [Compare Products for WooCommerce](https://wordpress.org/plugins/woocommerce-compare-products/) * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-compare-products/#faq) * [Support Threads](https://wordpress.org/support/plugin/woocommerce-compare-products/) * [Active Topics](https://wordpress.org/support/plugin/woocommerce-compare-products/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-compare-products/unresolved/) * [Reviews](https://wordpress.org/support/plugin/woocommerce-compare-products/reviews/) * 16 replies * 4 participants * Last reply from: [jmbo911](https://wordpress.org/support/users/jmbo911/) * Last activity: [13 years ago](https://wordpress.org/support/topic/server-error-after-hitting-activate-plugin-button/page/2/#post-3325328) * Status: resolved