CRITICAL ERROR

Hi, i have problems with the plugin, let me show you what happen.

I need it to track my website.

[22-Mar-2021 12:06:19 UTC] PHP Warning: A non-numeric value encountered in /home/crazyopp/public_html/wp-content/plugins/pixel-caffeine/includes/product-catalogs/class-feed-mapper.php on line 312 [22-Mar-2021 12:06:19 UTC] PHP Warning: A non-numeric value encountered in /home/crazyopp/public_html/wp-content/plugins/pixel-caffeine/includes/product-catalogs/class-feed-mapper.php on line 312 [22-Mar-2021 12:57:30 UTC] PHP Warning: A non-numeric value encountered in /home/crazyopp/public_html/wp-content/plugins/pixel-caffeine/includes/product-catalogs/class-feed-mapper.php on line 312 [22-Mar-2021 12:57:30 UTC] PHP Warning: A non-numeric value encountered in /home/crazyopp/public_html/wp-content/plugins/pixel-caffeine/includes/product-catalogs/class-feed-mapper.php on line 312

Please, let me know as soon as possible what the problem is, thank you so much!