Update
I even tried to give the resource each command-perms manually, but it doesn’t work.
Not even if I try to give the resource all command permissions.
(this are actually not all commands, but the once I use)
add_ace resource.crosshair command.cl_customcrosshair allow
add_ace resource.crosshair command.cl_crosshairdot allow
add_ace resource.crosshair command.cl_crosshairsize allow
add_ace resource.crosshair command.cl_crosshairstyle allow
add_ace resource.crosshair command.cl_crosshairthickness allow
add_ace resource.crosshair command.cl_crosshairgap allow
add_ace resource.crosshair command.cl_crosshair_drawoutline allow
add_ace resource.crosshair command.cl_crosshair_outlinethickness allow
add_ace resource.crosshair command.cl_crosshaircolor_r allow
add_ace resource.crosshair command.cl_crosshaircolor_g allow
add_ace resource.crosshair command.cl_crosshaircolor_b allow
add_ace resource.crosshair command.cl_crosshaircolor_a allow
add_ace resource.crosshair command.cl_crosshair_dynamic_splitdist allow
add_ace resource.crosshair command.cl_crosshair_dynamic_splitalpha_innermod allow
add_ace resource.crosshair command.cl_crosshair_dynamic_maxdist_splitratio allow