Title: Fatal error: Uncaught TypeError
Last modified: December 23, 2023

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# Fatal error: Uncaught TypeError

 *  Resolved [jasmin2211](https://wordpress.org/support/users/jasmin2211/)
 * (@jasmin2211)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-typeerror-26/)
 * 
   Hi.The preloader used to work correctly, but recently I’ve been getting the 
   following error:Fatal error: Uncaught TypeError: call_user_func_array(): Argument#
   1 ($callback) must be a valid callback, function “allow_preloader_feedback_host”
   not found or invalid function name in C:\xampp\htdocs\wordpress-test\wp-includes\
   class-wp-hook.php:324

Viewing 1 replies (of 1 total)

 *  Plugin Author [safelayout](https://wordpress.org/support/users/safelayout/)
 * (@safelayout)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-typeerror-26/#post-17300378)
 * Hi [@jasmin2211](https://wordpress.org/support/users/jasmin2211/),
   Thanks for
   reaching out to us!
 * This was a bug and was fixed in version 2.0.31 of the plugin.
 * Regards,

Viewing 1 replies (of 1 total)

The topic ‘Fatal error: Uncaught TypeError’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [safelayout](https://wordpress.org/support/users/safelayout/)
 * Last activity: [2 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-typeerror-26/#post-17300378)
 * Status: resolved