upgraded from 4.4.5 to 5.2
 

All went well bar one issue the pop up for the cart has a bug and wont by the look's of thing initialise shows an error but still fills cart but no pop up...

Any clues...

http://www.models4hobby.co.uk/home.php

Re: upgraded from 4.4.5 to 5.2
 

You have internal server error on "add to cart" popup. It could be permission issue. Check the log files for errors

Re: upgraded from 4.4.5 to 5.2
 

I'll check it but some testing has found that the old config table has something not right. If I use a default config table and add replace the existing config it works fine.