Warning Set Position Shape block using the Thickness mode

Steps to reproduce:

1. Create a new VFX with the Simple Loop template.
2. Open the created VFX
3. in the Initialize context, select the Set Position Shape Block.
4. Set it's mode to Thickness Absolute or relative.
5. Compiled and/or save the VFX asset

Actual results: The console is displaying a warning :

Shader warning in '[VFXG_ShaderGraph] [Simple Loop] Initialize Particles': pow(f, e) will not work for negative f, use abs(f) or conditionally handle negative values if you expect them at kernel CSMain at VFXG_ShaderGraph.vfx(131) (on d3d11)

Expected results: No warning should appears.

Reproducible with versions: 

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): 

Notes: