Title: getting error after installing the plugin
Last modified: August 16, 2017

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# getting error after installing the plugin

 *  Resolved [ronwisely](https://wordpress.org/support/users/ronwisely/)
 * (@ronwisely)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/getting-error-after-installing-the-plugin/)
 * i am getting error after installing this please help i have added the error code
   i am getting in my dashboard please let me know if you think these codes are 
   helpful for hacker to inter into my website i will delete it because i don’t 
   have idea about this
    please check and let me know the issue y() expects parameter
   1 to be a valid callback, class ‘RWMB_Simple_Proportions_Field’ does not have
   a method ‘normalize’ in /home3/gomahamaya/public_html/wp-content/plugins/affiliate-
   coupons/vendor/meta-box/inc/field.php on line 523
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, class‘
   RWMB_Simple_Proportions_Field’ does not have a method ‘normalize’ in /home3/gomahamaya/
   public_html/wp-content/plugins/affiliate-coupons/vendor/meta-box/inc/field.php
   on line 523
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, class‘
   RWMB_Fancy_Category_Field’ does not have a method ‘normalize’ in /home3/gomahamaya/
   public_html/wp-content/plugins/affiliate-coupons/vendor/meta-box/inc/field.php
   on line 523
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, class‘
   RWMB_Simple_Proportions_Field’ does not have a method ‘normalize’ in /home3/gomahamaya/
   public_html/wp-content/plugins/affiliate-coupons/vendor/meta-box/inc/field.php
   on line 523
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, class‘
   RWMB_Dropdown_Pages_Field’ does not have a method ‘normalize’ in /home3/gomahamaya/
   public_html/wp-content/plugins/affiliate-coupons/vendor/meta-box/inc/field.php
   on line 523
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fgetting-error-after-installing-the-plugin%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  [flowdee](https://wordpress.org/support/users/flowdee/)
 * (@flowdee)
 * [8 years, 8 months ago](https://wordpress.org/support/topic/getting-error-after-installing-the-plugin/#post-9423067)
 * Hi [@ronwisely](https://wordpress.org/support/users/ronwisely/), thanks for letting
   me know.
 * I would have to take a look into your site in order to debug for the reason of
   this problem. Would be great if you get in touch with me directly via [https://coder.flowdee.de/contact/](https://coder.flowdee.de/contact/)
   including temporarily WP + FTP credentials.

Viewing 1 replies (of 1 total)

The topic ‘getting error after installing the plugin’ is closed to new replies.

 * ![](https://ps.w.org/affiliate-coupons/assets/icon-256x256.png?rev=2484414)
 * [Affiliate Coupons - Coupon Display Manager - Excellent Tool for Affiliate Marketers](https://wordpress.org/plugins/affiliate-coupons/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/affiliate-coupons/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/affiliate-coupons/)
 * [Active Topics](https://wordpress.org/support/plugin/affiliate-coupons/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/affiliate-coupons/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/affiliate-coupons/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [flowdee](https://wordpress.org/support/users/flowdee/)
 * Last activity: [8 years, 8 months ago](https://wordpress.org/support/topic/getting-error-after-installing-the-plugin/#post-9423067)
 * Status: resolved