caught a choice lab. got this message:
"
Login failed
Login to the study failed.
It seems that you are already participating, and have not finished, a HIT that is part of the same family of HITs, and the system cannot accommodate simulateneous participation in more than one of these studies.
You can release the lock by finishing this other study. If you started but abandoned one of these other studies, you need to wait until that HIT is fully closed before you can participate in another HIT in the same family.
"
lol of courrrsssseee