Do someone know what should i do?
are you insert sql of vehicleshop ?!
Did you managed to fix the issue, and if so how?
Might be a necrobump but I just got done solving this exact same issue, so I’ll oblige for future reference.
This seems to be mainly (don’t know of other cases, every time this popped up for me the issue was the following) SQL related, where there’s a mismatch between the vehicles in your database and the list of vehicle categories.
This can happen if there’s any entry in the ‘vehicles’ table with a ‘category’ value that’s not listed in ‘vehicle_categories’. Now, my case was about a substitution to this script, yet had the same issue, homologous tables and all.
For a quick check of any vehicles with this exact issue you can run the following on your SQL database to list the offending entries:
SELECT * FROM vehicles WHERE `category` NOT IN (SELECT `name` FROM vehicle_categories);
You can either delete those entries or fix them up. In my case I was able to batch-update my issued entries
Quite the elegant SQL Solution, good job 
wow dude, thank you man worked perfectly
Where do you add this as having the same issue?
Nicely done, thanks my friend.
I wanna kiss you on the forehead
thank you. was quite desperate with this
worked perfectly, thanks!
Thank you!
Thanks such a sexy dude!

