nsrplatform LC backtesting has been very difficult to use for last several weeks due to these error messages, which I presume are some sort of timeouts within your servers.
When one of these appears, I click "update results" to try again. Error then often occurs a 2nd time, etc.
I buy my notes through NSR and have been running into it a ton of late. Also, notes that I buy do not buy right on the spot and have missed out on notes because of it. Been extremely frustrating.
From Zack.