I had a number of log files open in SE for a few days, this was a dedicated instance of SE running, I wasn't editing any code here, just looking at log files (at one of our other testing sites). At the time of the crash there were 7 files opened, 6 log files (.txt) and 1 python file.
In the past few days I was able to "reload modified files" no problem. There is a different log file generated each day. It was opened over the weekend, I may have last checked it Saturday, then I went back to it today to look at the most recent data. One of the opened log files probably had modifications since I last used SE and I got the "reload..." popup and clicked to reload, that is when I got the repeated stack. I had to kill SE. Once I restarted SE I have not had this issue since, it was a one time thing (so far). I think I had reloaded that same file previously, hard to remember.