In the WordPress evolve + theme, there are settings in the customizer using the Kirki plugin, when you choose a setting, for example, changing the color of the theme, nothing changes, and the console displays a 403 error. Plug-ins all turned off, it still does not help. Tell me, please, how can I correct these errors?
Here is a screenshot with errors in console http://prntscr.com/nygz28
Updated
With default WP theme Twenty Nineteen the is only 1 error Error parsing header X-XSS-Protection: 1; mode=block, 1; mode=block: expected semicolon at character position 13. The default protections will be applied. and customizer saves changes.
Errors in the console when customizer is closed
Error parsing header X-XSS-Protection: 1; mode=block, 1; mode=block: expected semicolon at character position 13. The default protections will be applied.
When it opened there are more errors Mixed Content: The page at was loaded over HTTPS, but requested an insecure favicon This request has been blocked; the content must be served over HTTPS.
And in error_log file there are warnings
[06-Sep-2018 11:33:14 UTC] PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'no_wordpress_errors' not found or invalid function name in /home/camlkosr/public_html/wp-includes/class-wp-hook.php on line 286 [06-Sep-2018 15:57:30 UTC] PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'no_wordpress_errors' not found or invalid function name in /home/camlkosr/public_html/wp-includes/class-wp-hook.php on line 286 [06-Sep-2018 15:59:49 UTC] PHP Warning: array_key_exists() expects parameter 2 to be array, boolean given in /home/camlkosr/public_html/wp-content/plugins/ultimate-member/includes/core/um-filters-fields.php on line 645 [06-Sep-2018 15:59:49 UTC] PHP Warning: array_key_exists() expects parameter 2 to be array, boolean given in /home/camlkosr/public_html/wp-content/plugins/ultimate-member/includes/core/um-filters-fields.php on line 648 [06-Sep-2018 20:27:23 UTC] PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'no_wordpress_errors' not found or invalid function name in /home/camlkosr/public_html/wp-includes/class-wp-hook.php on line 286
