Ok. Thank you! ^ ^ Looks like I need to look into this more.

Can I ask you just one more thing? One problem with this model is his eyes. On SFM Team Fortress 2 characters' eyes move without any problems. I noticed that the eyes of other imported models are also moving at the same time. But my model's eye can only move both at the same time in Blender. On SFM, it doesn't exist. I'm really wonder at how they managed to fix this eyes problem. Please help me check it. If you look at this link, you will almost understand. Thanks. ^ ^
Link: https://imgur.com/a/nbiNZjK

Hi Zappy. ^ ^ You're lifesaver. At the end of it all, Silco's model turned out to be no problem. Your valuable advice really helped me a lot. I am very grateful to you. ^ ^ I thought it would be right to show you the result of this work.
Link: https://imgur.com/a/4vRdeTK

"VertexlitGeneric"
{
"$basetexture" "models/silco/tft6_silco"
"$bumpmap" "models/silco/tft6_silco_n"
"$lightwarptexture" "models/silco/toon_defo"
$surfaceprop metal
$normalmapalphaenvmapmask "1"
"$phong" "1"
"$phongexponent" "5"
"$phongboost" "2"
"$phongfresnelranges" "[0.01 0.3 0.4]"
"$phongalbedotint" "1"

$halflambert 0
$diffuseexp 1.5
}

~ The code of its main material has been sent to you. But I tried to fix it in different ways. I don't really know what is right or wrong. Copied from another similar model. Thinking it would be a close fit. But I'm not sure. I will show you the result. But in my opinion, Silco's model may be a little over-reflective.
Link: https://imgur.com/a/j2AWK33

// Created by Crowbar 0.34.0.0

$ModelName "silco/silco.mdl"

$Body "silco" "silco.dmx"
}
$Body "silco" "silco.dmx"
}
$Body "silco" "silco.dmx"
}


$SurfaceProp "default"

$Contents "solid"

$MaxEyeDeflection 90

$MostlyOpaque

$CDMaterials "models\silco\"

$CBox 0 0 0 0 0 0

$BBox -8.749 -18.9 -0.164 5.622 18.576 74.046


$Sequence "idle" {
"silco.dmx"
fadein 0.2
fadeout 0.2
fps 30
}

$CollisionModel "silco.dmx"
{
$mass 100
$inertia 1
$damping 0
$rotdamping 0
$concave

}

~Is it ok to modify this code like this? Or maybe I changed something wrong?

Hi Zappy. ^ ^
hmm... I tried to convert my model according to your instructions. But there is a strange error.
~
Compiling with Crowbar 0.62: "C:\Users\User\Desktop\Silco SFM\Silco\DMX\silco.qc" ...

Compiling ".\silco.qc" ...
Output from compiler "D:\SteamLibrary\steamapps\common\SourceFilmmaker\game\bin\studiomdl.exe":
qdir: "c:\users\user\desktop\silco sfm\silco\dmx\"
gamedir: "D:\SteamLibrary\steamapps\common\SourceFilmmaker\game\usermod\"
g_path: "silco.qc"
Building binary model files...
Working on "silco.qc"
DMX Model c:\users\user\desktop\silco sfm\silco\dmx\silco.dmx
ERROR: c:\users\user\desktop\silco sfm\silco\dmx\silco.qc(6): - bad command }
ERROR: Aborted Processing on 'silco/silco.mdl'
... Compiling ".\silco.qc" finished. Check above for any errors.

... Compiling with Crowbar 0.62: "C:\Users\User\Desktop\Silco SFM\Silco\DMX\silco.qc" finished.

I really wonder what the problem is with this material/texture. It was normal yesterday. That is strange. >.<

I have made the problems in this matter more clear so that you may understand better. ^ ^
Link: https://imgur.com/a/pMOc3DA

Ok, Data code on his QC file. Should I enter the Shape Keys code here again? It's my first time converting a model, so I lack knowledge in this area. Please help me with this. ^ ^

// Created by Crowbar 0.34.0.0

$ModelName "silco/silco.mdl"

$BodyGroup "silco"
{
studio "silco.dmx"
}
$BodyGroup "silco"
{
studio "silco.dmx"
}
$BodyGroup "silco"
{
studio "silco.dmx"
}


$SurfaceProp "default"

$Contents "solid"

$MaxEyeDeflection 90

$MostlyOpaque

$CDMaterials "models\silco\"

$CBox 0 0 0 0 0 0

$BBox -8.749 -18.9 -0.164 5.622 18.576 74.046


$Sequence "idle" {
"silco.dmx"
fadein 0.2
fadeout 0.2
fps 30
}

$CollisionModel "silco.dmx"
{
$mass 100
$inertia 1
$damping 0
$rotdamping 0
$concave

}