Hi John,
Have been trying all the afternoon to get it working on my end (Denon 4700H with Audyssey App and A1 Evo) but keep having the same error from A1 Evo (both on my Windows PC and Mac).
[WARNING!] Target curve not found! Browse to and select 'TargetCurve_MJ.txt' (or any other) in 'REW /...