I have two Amps controlling 4 speakers, two each.  One set/Amp is ‘outside’, one set/Amp is ‘inside’.  I configured two wireless Pico Audio Devices (with the Lutron hub) and all worked great!  

All of a sudden (after Sonos update?) now both Pico’s control both sets/Sonos.  

I opened a case with Lutron. They told me to un-pair and re-pair both.  I did that, and the Same thing persists. 

Any suggestions?

JGS