Title: Issue In thumbnail.php
Last modified: March 8, 2024

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# Issue In thumbnail.php

 *  Resolved [Sakib MD Nazmush](https://wordpress.org/support/users/sakibsnaz/)
 * (@sakibsnaz)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/issue-in-thumbnail-php/)
 * course_list_image_size in line 3 causing error ‘undefined array key’
   kindly fix
   this errorhere I’m adding two screenshots:
 * Before: [https://prnt.sc/OaFWjM67OMza](https://prnt.sc/OaFWjM67OMza)
 * After: [https://prnt.sc/J_UMxNwQJwe1](https://prnt.sc/J_UMxNwQJwe1)

Viewing 1 replies (of 1 total)

 *  Plugin Support [Rashed Hossain](https://wordpress.org/support/users/wprashed/)
 * (@wprashed)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/issue-in-thumbnail-php/#post-17492912)
 * Dear [@sakibsnaz](https://wordpress.org/support/users/sakibsnaz/)
 * We apologize for the issue you’re experiencing. It appears to be a website-specific
   problem and to properly diagnose and resolve it, we would need to thoroughly 
   inspect your website. Please reach out to us at [https://www.themeum.com/support/](https://www.themeum.com/support/)
   for assistance.

Viewing 1 replies (of 1 total)

The topic ‘Issue In thumbnail.php’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Rashed Hossain](https://wordpress.org/support/users/wprashed/)
 * Last activity: [2 years, 3 months ago](https://wordpress.org/support/topic/issue-in-thumbnail-php/#post-17492912)
 * Status: resolved