2022/06/24 18:09

Error message

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback,
function “save_custom_profile_fields” not found or invalid function name in E:\xampp01\htdocs\wordx2.1\wp-includes\class-wp-hook.php:307
Stack trace:
#0 E:\xampp01\htdocs\wordx2.1\wp-includes\class-wp-hook.php(331): WP_Hook->apply_filters(”, Array)
#1 E:\xampp01\htdocs\wordx2.1\wp-includes\plugin.php(476): WP_Hook->do_action(Array)
#2 E:\xampp01\htdocs\wordx2.1\wp-admin\user-edit.php(145): do_action(‘personal_option…’, 9)
#3 E:\xampp01\htdocs\wordx2.1\wp-admin\profile.php(18): require_once(‘E:\\xampp01\\htdo…’)
#4 {main} thrown in E:\xampp01\htdocs\wordx2.1\wp-includes\class-wp-hook.php on line 307

Solution

Check the following code in your code file and remove it if not necessary.

add_action(‘personal_options_update’, ‘save_custom_profile_fields’);
add_action(‘show_user_profile’, ‘add_custom_profile_fields’);
add_action(‘edit_user_profile’, ‘add_custom_profile_fields’);