IB backfill trouble

Data Sources IB
1

Today I was running AB using IB for data, as I always do.

But several symbols would simply not stop backfilling. These symbols have been working perfectly for years until today. Some examples are XME, XLRE, and EMD.

I restarted TWS and AB, but still had this problem.

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Is anyone else having this trouble today? As far as I know, these symbols are still covered by my current data subscriptions.

2

Well, today everything is working just fine so I am going to write this off as a glitch.

3

i sometimes also have problems connecting AB to the TWS. I then log out of the TWS and start it again and the problems are mostly gone.