FYI, this was indeed a bug where a lot of text-answer questions would cross a per-user server loading threshold we had set too low. We just released a fix in our 3.8.5 update today. Please accept our apologies for any frustration. 
FYI, this was indeed a bug where a lot of text-answer questions would cross a per-user server loading threshold we had set too low. We just released a fix in our 3.8.5 update today. Please accept our apologies for any frustration.