Facebook Horizons "Method not allowed for third-party clients"

[zurgeg]

Do not report issues when using the Virtual Desktop or ALVR drivers for SteamVR, this is not supported by Revive.

Describe the bug Upon launching Horizons, I see 1 - Method not allowed for third-party clients. Additionally, the heartbeat script is running.

To Reproduce Steps to reproduce the behavior:

1. Launch Horizons

Expected behavior The game launching normally.

Environment (please complete the following information):

• App: Facebook Horizons
• OS: Windows 10
• Headset: HTC Vive + Valve Index Controllers

Versions (please complete the following information):

• Revive: 2.1.1
• SteamVR: 1.15.16

Additional context None

[NRGDizzy]

Same issue here, only difference is my headset is index