It's hard to check this imo as it doesn't happen every time. Probably why not many are reporting this. Seems to be pretty random.
Edit: Today I watched it skip two legendaries, so it might be something to look into.
This could possibly be a trinity problem.
My bot has been running flawlessly but lately I've noticed how my gold/hour drops sometimes down to 300k(from 500) and then after an hour or more goes up again so I found out that in that period of time it was not picking anything up and thus not...