[Krufftys Killers]

Started getting this error
L 06/16/2021 - 21:191: SourceMod error session started
L 06/16/2021 - 21:191: Info (map "c1m1_hotel") (file "d:\new folder (2)\servers\1\serverfiles\left4dead2\addons\s ourcemod\logs\errors_20210616.log")
L 06/16/2021 - 21:191: [SM] Exception reported: Invalid key value handle 0 (error 4)
L 06/16/2021 - 21:191: [SM] Blaming: MapChanger.smx
L 06/16/2021 - 21:191: [SM] Call stack trace:
L 06/16/2021 - 21:191: [SM] [0] KeyValues.Rewind
L 06/16/2021 - 21:191: [SM] [1] Line 540, H:\_To_games\Left4Dead_2\My_mods\MapChanger\M apChanger\MapChanger_2.X\scripting\MapChanger .sp::Actualize_MapChangerInfo
L 06/16/2021 - 21:191: [SM] [2] Line 495, H:\_To_games\Left4Dead_2\My_mods\MapChanger\M apChanger\MapChanger_2.X\scripting\MapChanger .sp::Command_ReloadMaps
L 06/16/2021 - 21:191: [SM] [3] Line 367, H:\_To_games\Left4Dead_2\My_mods\MapChanger\M apChanger\MapChanger_2.X\scripting\MapChanger .sp::OnMapStart