Capacity still not working. Site is Live- UGENT

https://premium.wpmudev.org/forums/topic/capacity-php-script-isnt-working-for-me?replies=22#post-932222

This is an urgent mater that is effecting my business right now and is why I am doing a duplicate thread. About 2000 people are trying to using i and it is not working correctly. I need to be able to book two spots for the same time.

any help is greatly apreitated