Hi,
1. I have checked and fixed the error you encountered.
2. Please do not install too many Elementor related addons, this may lead to conflicts and slow down your website
3. Speed test tools show that your website is satisfactory
– Google check speed: https://pagespeed.web.dev/report?url=https%3A%2F%2Fwww.hyunkookparts.com%2F&form_factor=desktop
– Gtmetrix: https://gtmetrix.com/reports/www.hyunkookparts.com/Qk8kJ7RT/