EPM - Won't save firmware slots

I’ve got a fresh install of FreePBX Distro. I’ve got a license for the commercial EPM. I’m trying to provision a few phones - some Yealinks, some Ciscos, some Grandstreams.

When I try to update the Firmware Slots, it simply doesn’t save. I drag the versions I want to slots 1 and 2 and hit submit, my browser spins for a few moments, then it goes back to blank slots. When I create or modify a template, my only firmware choices are Recommended and Recommended.

I have tried setting the firmware slots for both Cisco and Yealink, no go. I have also tried a couple of different browsers - Firefox and IE - with no luck.

Any suggestions?