Nvidia grid license problem under linux

i have a redhat linux vm , i installed the grid drivers, but i am stuck at licensing

windows clients work fine with the token generated from the cls server from nvidia.

i can’t get it working on linux, can anyone help me ? thx

nvidia-gridd: Started (13241)
nvidia-gridd: vGPU Software package (0)
nvidia-gridd: NLS initialized
nvidia-gridd: Malformed payload - Could not fetch client identity token
nvidia-gridd: Failed to get client identity token information from license file
nvidia-gridd: Failed to acquire license