I need HELP! left 4 dead 2 map won't run my own map

[Phantom90]

Guys help me i have a problem runing map it's won't run the map i try to every games to run but all the time it show up some isseu and don't run map i need to know how can i run map can you help me for only one game left 4 dead 2 after it i'll tell you some other problems ok

[Bindal]

Solution - play L4D1 (the game, which forum you're currently visiting)