Spotify not working on my minis

I have two roamios, one 4-tuner premiere and two minis. all of them are hard wire networked and work great for tv. I subscribe to spotify and it works great on all the regular TiVos. However, it will not work right on the two minis. Constantly skips and is unlistenable. Pandora works great on the minis. Just not spotify.

Anybody else having this issue? I have rebooted minis several times too. No luck. Any other possible solutions or suggestions?