help.lua

Error running call reference function for resource esx_truck: citizen:/scripting/lua/scheduler.lua:351: server/main.lua:73: attempt to call a nil value (field 'GetItemLabel')
stack traceback:
        server/main.lua:73: in upvalue 'ref'
        citizen:/scripting/lua/scheduler.lua:337: in function <citizen:/scripting/lua/scheduler.lua:336>
        [C]: in function 'xpcall'
        citizen:/scripting/lua/scheduler.lua:336: in function <citizen:/scripting/lua/scheduler.lua:335>
stack traceback:
        [C]: in function 'error'
        citizen:/scripting/lua/scheduler.lua:351: in function <citizen:/scripting/lua/scheduler.lua:322>
        [C]: in function 'coroutine.resume'
        citizen:/scripting/lua/scheduler.lua:34: in field 'CreateThreadNow'
        citizen:/scripting/lua/scheduler.lua:174: in function <citizen:/scripting/lua/scheduler.lua:138>
        [C]: in function 'coroutine.resume'
        citizen:/scripting/lua/scheduler.lua:34: in field 'CreateThreadNow'
        citizen:/scripting/lua/scheduler.lua:335: in function <citizen:/scripting/lua/scheduler.lua:322>
Error running system event handling function for resource esx_truck: citizen:/scripting/lua/scheduler.lua:41: Failed to execute thread: citizen:/scripting/lua/MessagePack.lua:830: missing bytes
stack traceback:
        [C]: in function 'error'
        citizen:/scripting/lua/MessagePack.lua:830: in method 'underflow'
        citizen:/scripting/lua/MessagePack.lua:465: in field 'any'
        citizen:/scripting/lua/MessagePack.lua:860: in field 'unpack'
        citizen:/scripting/lua/scheduler.lua:563: in local 'cb'
        server/truck.lua:95: in upvalue 'handler'
        citizen:/scripting/lua/scheduler.lua:175: in function <citizen:/scripting/lua/scheduler.lua:174>
stack traceback:
        [C]: in function 'error'
        citizen:/scripting/lua/scheduler.lua:41: in field 'CreateThreadNow'
        citizen:/scripting/lua/scheduler.lua:174: in function <citizen:/scripting/lua/scheduler.lua:138>
        [C]: in function 'coroutine.resume'
        citizen:/scripting/lua/scheduler.lua:34: in field 'CreateThreadNow'
        citizen:/scripting/lua/scheduler.lua:335: in function <citizen:/scripting/lua/scheduler.lua:322>