hi so i make a tf2 weapon budt compiling it gives me a error about bone i dont get it


Compiling with Crowbar 0.72: "C:\sickel\mdldecompiler.qc" ...

Compiling "mdldecompiler.qc" ...
Output from compiler "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\bin\studiomdl.exe":
qdir: "c:\sickel\"
gamedir: "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf\"
g_path: "mdldecompiler.qc"
Building binary model files...
Working on "mdldecompiler.qc"
SMD MODEL C:\sickel\/sickel.dmx.smd
SMD MODEL C:\sickel\/idle.smd
SMD MODEL C:\sickel\/sickel.smd
ERROR: unknown attachment link 'weapon_bone'
ERROR: Aborted Processing on 'weapons/c_models/sickel/sickel.mdl'
CROWBAR: Deleted empty temporary compile folder "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf\models\weapons\c_models".
... Compiling "mdldecompiler.qc" finished. Check above for any errors.

... Compiling with Crowbar 0.72: "C:\sickel\mdldecompiler.qc" finished.


this is my qc file




$cd "C:\sickel\"
$modelname "weapons/c_models/sickel/sickel.mdl"
$model "Body" "sickel.dmx.smd"
$cdmaterials "models\weapons\sickel"
$cdmaterials ""
$texturegroup skinfamilies
{
{"models/weapons/sickel/sickletext1.vmt"
}
{"models/weapons/sickel/sickletext1.vmt"
}
{"sickletext1.vmt"
}
{"sickletext1.vmt"
}
}
$hboxset "default"
$hbox 0 "weapon_bone" -2.638 -7.101 -7.816 0.000 17.736 8.608
// Model uses material "models/weapons/sickel/sickletext1.vmt"
// Model uses material "sickletext1.vmt"
$attachment "pedestal_0" "weapon_bone" -1.32 5.32 0.40 rotate 81.93 -112.44 -85.17
$attachment "icon_camera" "weapon_bone" 20.26 14.00 -16.14 rotate -35.82 -162.82 -48.44
$surfaceprop "metal"
$illumposition 0.396 -1.319 5.317
$sequence idle "idle" fps 30.00
$collisionmodel "sickel.smd" {

$mass 2.5
$inertia 1.00
$damping 0.00
$rotdamping 4.00
}