Fatal Errors after WP-6.3.2 Upgrade
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Hi Team,
My Kinsta host site is sending me automatic messages every six hours that reads something like this:
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2023/10/15 19:08:12 [error] 80106#80106: *25696 FastCGI sent in stderr: “PHP message: PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function “_wp_footnotes_kses_init” not found or invalid function name in /www/tbytmemberscommunity_969/public/wp-includes/class-wp-hook.php:310
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They can’t help me but pointed me to a forum where someone was having the exact same problem after the upgrade.
Their solution was to add the following line to the wp-config.php file.
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include_once $_SERVER[‘DOCUMENT_ROOT’].’/wp-includes/blocks.php’;
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Will someone kindly show me an example of where to place this line within my wp-config.php file and the exact syntax in the file? Should it be preceded with \\
THANK YOU KINDLY,
Mike
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The error is caused by a function that your plugins or theme might use to execute functions. One of them is apparently trying to execute a WordPress function, which also exists but will probably be loaded later.
I would recommend you to remove the change in wp-config.php and then deactivate all plugins as a test. Does it still happen then? If not, one of the deactivated plugins was to blame. If not, try changing to a standard theme like TwentyTwentyThree.
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