NPC Maker and NPC Template Maker crash my source games?

[HeavnSeven]

When in Source SDK, Source Engine 2009, for Half Life 2 Episode 2 I placed two buttons that activate either a npc_maker and a npc_template_maker, when set up correctly, and the second the npc is suppose to spawn the game freezes and stays frozen until it crashes. I've never had this problem before when on my old computer, wondering why it's doing it now. My entire day would become perfect if I can figure out why this is happening.

[editline]22nd March 2013[/editline]

Could this be because I'm running compiling in fast mode?

[editline]22nd March 2013[/editline]

Lol for anyone else having trouble with it, it's probably the map not your files or PC, i made a test map and the spawners worked fine, must have a leak?

[Sphinxa279]

Have you checked the compile log, or checked the map for problems using alt/ctrl + P I forget which key it is.