Wildcat - FBX unit scale does not match. Expected: cm, got: m

I also had this issue and found a solution after inspecting the FBX file with Autodesk FBX Converter. The issue is blender's FBX exporter is broken and you need to adjust some setting before you export it. Here are the steps to solve this annoying problem.

1. Apply all transforms
2. Scale your model by 100x
3. Apply all transforms again.
4. Use these settings in the FBX exporter.
Scale: 0.01
Apply Scalings: All local
Forward: Y Forward
Up: Z Up
Uncheck apply unit

I've had exact same problem when exporting FBX. After long time of uploading-exporting-reuploading I found settings that worked:
Scale: 0.01
Apply scalings: All FBX
Forward: Y
Up: Z
Check "apply unit", "use space transform" and "apply transform"

It also seems like units in project itself have no influence on this issue

I've revisited my export preset and this is what it is now:

Scale units in the scene: meters (!)
Scale: 1.00
Apply scalings: All Local
Forward: Y
Up: Z
Check "apply unit", "use space transform" and "apply transform"

Give it a try

1- Check system unit make it cm or m (project requirement)
2-Apply all transform
3-Fbx export setting (scale 1.00 , Apply scale FBX Unit scale , Forward Y up Z , uncheck apply unit and space transform , check Apply transform
4-it worked for me

Blender Users
scale your model to 100x (Dimensions from cm to meter in the viewport)
Apply all transformations
Fbx export setting
scale 1.00,
Apply scale FBX Unit scale
Y Forward
Z Up
uncheck apply unit and space transform,
check Apply transform if any

it works

Here is the only setting that worked for me-

Requirement => 1 unit = 1 cm

Blender 3.1.2
Scene Properties
-----------------------
Unity System = Metric
Unit Scale = 1.0
Length = Centimeters

Fbx Export-
---------------
Scale = 1.0
Apply Scaling = All Local
Y Forward
Z Up
Check Apply unit, Use Space transform, and Apply transform

This worked for me
Apply Scalings = FBX All
Tick on (Apply Units) and (Apply Transforms)