I use the following code to scan for all available WiFi-Networks:
[[CWInterface interface] scanForNetworksWithSSID:nil error:&err];
Usually I get a NSSet of Networks but sometimes I get the following error:
The operation couldn’t be completed. (com.apple.coreWLAN.error error
22.)
Error Domain=com.apple.coreWLAN.error Code=22
I haven’t find anything about that error code 22. Is there a documentation or a solution for this?
Because I had another problem with CoreWlan(http://stackoverflow.com/questions/9943833/cwinterface-returning-no-data) i replaced it with Apple80211.framework.
This also is a workaround for this one…