I've just self-installed HM and run it. It doesn't mine. Here's the output:

Honeyminer Maximizer v1.0.4

[INF] Detected distribution: ubuntu, version: 19.04

[INF] Login: xxxxxxxx (address removed)

[INF] Found GPU 0 CL_VENDOR_NAME: NVIDIA Corporation CL_DEVICE_NAME: GeForce GTX 1050 Ti

[INF] Detected GPU count: 1

[INF] Use Ctrl+C to exit

[INF] Checking for new instructions

[ERR] Failed to parse JSON:

[ERR] Failed to download new instructions, waiting 10s

Any ideas?