Thats latest stable, i am talking about DEV builds ( developer )
Download from here:
https://www.amxmodx.org/downloads-new.php
After this you wont need to specify #max_players 32 and dhudmessage explicitly
And yes it requires REGAMEDLL (
https://github.com/s1lentq/ReGameDLL_CS )
The crash you are facing is because you have stock gamedll, this plugin requires regamedll