BBBW wifi fail, wifi doesn't work

[hunter....@gmail.com]

when I ggot a BBBW, connect to USB , use SSH 192.168.7.2
login into edbiam system.

when I want use wifi to coonect my AP.
But I use connmanctl enable WiFi search.
debian give me this message below. look like HW or driver have problem???
and the "ML LED" and "BT LED" on BBBW no on/off ??

"
connmanctl > enable wifi
Error wifi: Method "SetProperty" with signature "sv" on interface "net.connman.Technology" doesn't exist

connmanctl > scan wifi
Error /net/connman/technology/wifi: Method "Scan" with signature "" on interface "net.connman.Technology" doesn't exist

"