Confirm, installed wifiwave2 on Audience, no other problems than the line in the log
jan/02/1970 00:00:33 system,error,critical error while running customized default
configuration script: bad command name wireless (line 979 column 25)
jan/02/1970 00:00:33 system,error,critical
[admin@MikroTik] > log pri
00:00:20 system,info crossfig will upgrade version 6 configuration
00:00:21 system,info router rebooted
00:00:28 interface,info ether1 link up (speed 1G, full duplex)
00:00:33 system,error,critical error while running customized default configuration script: bad command name wireless (line 979 column 25)
00:00:33 system,error,critical
979 :while ([/interface wireless find default-name="wlan3"] = "") do={
------------------------^ 25 unexpected reless, expected fiwave2
This happen because get-custom-defconf is not maded for wifiwave2 only,
and have internal references to /interface wireless that do not exist on wifiwave2 only devices.
The problem happen also if is added later the wifiwave2 extra package.