Seo_url Issues

Hello Guys!
I recently enable the seo url on my store and I'm getting this error on my front end is there anyone could tell me how to get rid of this or how to fix this issues. Thanks

Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183Notice: Undefined variable: part in /home/xxxxxxx/public_html/store/system/storage/modification/catalog/controller/startup/seo_url.php on line 183

Do all your products and categories have an SEO keyword set?

@paulfeakins
I double check all my seo setup, and I'm still getting the same issues. I'm using Journal Theme for my website. Opencart 2.3.0.2

Looks like no one cares....