Spawns seems broken

[wayLANder3]

There's no Train and Inferno spawns in the mod, so i need to create it. But !spawn doesn't do anything, so then i type !admin and go to the SpawnTools7 menu, there is spawns only in the lobby room.

L 12/16/2018 - 03:02:44: [SM] Exception reported: Invalid index -1 (count: 9)
L 12/16/2018 - 03:02:44: [SM] Blaming: 1v1DM.smx
L 12/16/2018 - 03:02:44: [SM] Call stack trace:
L 12/16/2018 - 03:02:44: [SM] [0] GetArrayCell
L 12/16/2018 - 03:02:44: [SM] [1] Line 250, 1v1dm/1v1_Spawns.sp::GetArenaSpawn
L 12/16/2018 - 03:02:44: [SM] [2] Line 211, D:\xampp\htdocs\identy\csgo-duels\addons\sourcemod\scripting\1v1DM.sp::CMD_Spawn