So you turned up AFTER the show had opened to the public to set up? The organisers had requested that each exhibitor inform them when they would be arriving, either Friday evening or early Saturday morning, yet it appears you disregarded their instructions to be ready 10 minutes before the doors opened.
Also why moan about it on here, after the show had ended? The organisers were on hand for the show and were happy and helpful for any issues to hand. This is one of Irelands biggest Model Railway events, not some small local church hall fundraiser
I was one of the exhibitors in the same row as you and there were tables left for you on Friday evening. Maybe if you had arrived in good time and indicated that they were not suitable for your needs this could have been sorted out
I gathered you assumed everything would be left for you - Never Assume.