This is Ricardo, from Spain. I am a user of CQ20B.
Everything was fine until last week. A “NO MIX” alert shown up on CQ 4 YOU App over some Android devices. The strangest issue: Not happened before. Just out of the blue.
1) Your mobile device was connected to the same network as the CQ console (ie it wasn’t trying to connect over a data connection because wifi was turned off)
2) Your console has aux sends set up (ie it wasn’t reset or changed to a status that doesn’t have any mixes set up).
3) You were able to make a valid connection to the console.
After confirming all of this and establishing a valid connection to the console, there were no “mixes” to choose from in the app? If this is the case, then I would suggest reaching out to A&H support directly. However in 99% of the cases where people cannot connect to the system, it is usually a connection/network issue that needs to be solved by the user and not a system/app issue.