Jquery error (non-numeric value encountered)

Hello,
My navigator return this error on each page of my website :

Warning: A non-numeric value encountered in /app/public/wp-content/plugins/ultimate-social-media-icons/libs/controllers/sfsi_frontpopUp.php on line 63

I use Local by Flywheel, and Total as template, and i know next to nothing about jquery, do you guys have any way to solve this problem?
Thanks you, have a nice day ??

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