404 Page Not Found Error
If you are using VPCart SEO Dynamic and if your search engine (eg Google Webmaster Search Console) show a report about your product links issue, related to 404 or Soft 404 error pages, there is a way you can check for the fix.
You may have setup SEO product URLs generated by VPCart SEO dynamic, and some of the products later are deleted by you because no longer available for sale.
Google or other search engine will then return the 404 or Soft 404 error for those deleted products URLs.
In Google search engine, this is mostly known as Google Search Console Index Coverage Issue.
You may experience this if you are using SEO dynamic on older v8 and v7 site.
For site using v9, the issue above already been fixed in default code.
For v8 and v7 site, you can try to avoid the above 404 or Soft 404 error by following the below solution :
1. Open file shop$db.asp using notepad or text editor.
2. Locate this code inside "sub redirecttoseoinvalidpage" :
responseredirect xmysite &"/shopseoinvalid.asp"
Response.AddHeader "Location", xmysite &"/shopseoinvalid.asp"
response.end