If you want to use multiple data sources and indicators to work properly, enable at least two most important settings on NinjaTrader platform:

 Multi-provider and Tick Repolay settings on the NinjaTrader platform:

  • Checkmark Multi-provider:
    Tools/ Options/General/ Properties: Checkmark Multi-provider
  • Checkmark Show Tick Replay:
    Tools/ Options/General/ Properties: Checkmark Show Tick Replay

How to instructions:
Checkmark Multi-provider: click the image to make it larger:

Checkmark Show Tick Replay: click the image to make it larger :
Multi Provider NinjaTrader Connection- click to maximize