Stupid question: did you flash also the Sailfish OS files?
Please follow the following instructions for multirom https://wiki.merproject.org/wiki/Ada...rhead#MultiROM

Maybe you're mixing CM12 with Sailfish based on CM13 from Mautz?
Download the latest image of @edp17 from here and use that one
https://mega.nz/#!lC5UhCqb!IuPF-dzGc...onB9duzeqPrrAA