Got this in my log:
ERROR rarbg download-series-discover Error code 5: Too many requests per second. Maximum requests allowed are 1req/2sec Please try again later!

Config:

https://github.com/effemmeffe/flexget/blob/master/config.yml1

Additional information:

• Flexget Version: 2.8.4
• Python Version: 2.7.12
• Installation method: pip
• OS and version: Ubuntu 16.04.1 LTS