SCRIPT Error loading script ws_server

[Horizonhun]

Hello this is my problem. WS_Server error loading script 7.line

[    c-scripting-core] Creating script environments for ws_server
[25/04/2022 09:58:46.333] [LOG]    [    script:ws_server] Like TokoVOIP ? Consider supporting the development: https://patreon.com/Itokoyamato
[ citizen-server-impl] Started resource ws_server
[    c-scripting-core] Creating script environments for tokovoip_script
[    c-scripting-core] InvokeNative: execution failed: Argument at index 1 was null.
[script:tokovoip_scri] Error loading script src/s_main.lua in resource tokovoip_script: Execution of native 000000006ccd2564 in script host failed: Argument at index 1 was null.
[script:tokovoip_scri] stack traceback:
[script:tokovoip_scri] 	[C]: in upvalue '_in'
[script:tokovoip_scri] 	citizen:/scripting/lua/natives_server.lua:403: in function 'GetConvar'
[script:tokovoip_scri] 	@tokovoip_script/src/s_main.lua:20: in main chunk
[    c-scripting-core] Failed to load script src/s_main.lua.
[ citizen-server-impl] Started resource tokovoip_script

Thanks for the help