Zwave network issues

My zwave network just started acting up and I’m not sure how to go about troubleshooting it.

Currently have 67 mains connected devices. 53 Inovelli red dimmers, 13 Zooz Zen76 on/off switches and a few smart outlets.

The Zooz switches are the most recent add to the network and I’m finding that the 3way setups are not working consistently or at all. I’ve setup associations with group 2 on/off and group 3 basic set. They seemed to work for the first couple days and starting yesterday they all seem to have quit on me. The load connected switches still work as expected. I’m not observing this behavior with my Inovelli switches in 3 or 4 way setups, with the exception of 1 that is likely due to distance on the edge of my network.

I’ve attempted both a reinterview and heal of the network with no improvement. Taking a lot of flack in the WAF department and need to resolve this quickly. Thinking about resetting the zwave stick and starting from scratch as I was already planning to reset some of the Inovelli switches I originally added with S2 security and change them to no encryption to improve performance.

Any guidance here is appreciated.