problem diagnosed

ok: here's pretty much what happened: from a previous run of the batch thumbnail generation, my browser cached some of them
i purged them
so when i ran it again, not all of them were regenerated
so i need to purge the "data" directory, re-upload all of the images, run the batch thumb generaator, AND hit refresh
i think then i need to upgrade the DB
then i make metadata.csv's for all the galleries that don't have them
then i think i can delete all the images

shortly after that i can open it

i think i will take a break now. might result in delays