PHP Warning

Hello, I’m getting a huge error log, it’s an intense list, some weeks it’s 1GB

[24-May-2025 14:12:32 UTC] PHP Warning: Attempt to read property “slug” on null in /home/site/public_html/wp-content/plugins/ad-inserter/class.php(644) : eval()’d code on line 153 [24-May-2025 [14:14:32 UTC] PHP Warning: Undefined array key 0 in /home/site/public_html/wp-content/plugins/ad-inserter/class.php(644) : eval()’d code on line 153