Ok, This is really simple. You are making a Coop map. Therfore to activate and open the door 'BOTH' Players/Bots need to be at the door. There is nothing wrong with your laser you just need to have both players in front of the door.
His heart was in the right place; trying to help. The question is moot but if it were not, I can only assume is that the problem is the door won't open despite the laser powering it. That could be related to the coop bots not being there, or, the activation logic isn't set up properly i.e. not adding to a counter or something.
This is an old version of my mod, where the catchers had some incorrect logic stopping them from working. They also now hang partly out of the wall. The wall textures are also not being replaced, you need to run the stylechanger exe to install the vbsp replacement.