True, i've had my ranting days, however that was a couple of years ago.
Are you working on an old template imported to 2015? If so chuck it and start over with a clean new file!
Yes it sucks and we've been harrying them to make migrating to new versions better, sounds like it's coming in 2016.
https://techboard.vectorworks.net/ubbthreads.php?ubb=showflat&Number=214101#Post214101