Thank you for reaching out! We’re sorry for the late answer. We’re experiencing a much larger number of requests than usual.
No worries. These are PHP warnings, not errors. Unlike errors, warnings won’t break your website. They’re just messages aimed at developers to improve their code.
My best guess is that this issue is related with your php version. Please check the WordPress prerequisites here:
For more about this, please click on the following link:
Getting notice is wordpress “WP_Scripts::localize was called incorrectly”
To hide this message, I suggest that you activate error logging on your website. Please keep WP_DEBUG to true and just paste the following code lines in your wp-config.php file, just before the line that says ‘That’s all, stop editing! Happy blogging.’:
// Enable WP_DEBUG mode
define( 'WP_DEBUG', true );
// Enable Debug logging to the /wp-content/debug.log file
define( 'WP_DEBUG_LOG', true );
// Disable display of errors and warnings
define( 'WP_DEBUG_DISPLAY', false );
@ini_set( 'display_errors', 0 );
More on this in the following topic: Debugging in WordPress
You will still be able to consult the warnings and errors triggered by your website but these won’t appear on your pages anymore.