Server crashes after after several seconds

[UnionOfUniverses]

Hello. I can't play on my server with STT mode. Other default TF2 mods are playable.
Hibernation is disabled. Bots join without player.

Log from SourceMod plugin:
L 10/16/2021 - 13:25:28: SourceMod error session started
L 10/16/2021 - 13:25:28: Info (map "pl_upward") (file "D:\SteamCMD\steamapps\common\Team Fortress 2 Dedicated Server\tf\addons\sourcemod\logs\errors_20211016.log")
L 10/16/2021 - 13:25:28: [SM] Exception reported: Client 2 is not in game
L 10/16/2021 - 13:25:28: [SM] Blaming: tank.smx
L 10/16/2021 - 13:25:28: [SM] Call stack trace:
L 10/16/2021 - 13:25:28: [SM] [0] GetClientTeam
L 10/16/2021 - 13:25:28: [SM] [1] Line 9756, c:\git\StopThatTank\addons\sourcemod\scripting\tank.sp::TF2Items_OnGiveNamedItem