Bars Series Error

[jeronymite]

Scenario:

• Running NinjaTrader 8.1.1.7 in a VPS
• Connected to FOREX.com Demo account
• Several charts with Forex instruments (majors)
• Running continuously for a few weeks without issue, including across weekends
• Yesterday overnight, orders were rejected with the error "Session is not valid"
• There were also error popups: Error on requesting bars series: 'Session is not valid'
• Looking at a chart (e.g. EURUSD) the data seems to be flowing normally and the bars painting as expected
• Add an indicator (any one) and things continue as expected with historical and up-to-the-moment data
• Reload All Historical Data ... and the same Error popup happens and data is started only from the current bar! No historical data!

Why?

Interestingly, wait 10 minutes (1 minute chart) with data flowing as it should, then Reload All Historical Data and the same issue: the error popup and data starts from the current bar.

Thanks.