RouterBoard wlan1: disconnected, received disassoc: sending station leaving (8)

Question

WiFi

Hello dear!
The Mikrotik RouterBoard RB951G log is full of endless messages like:

08:01:05 wireless,info 28:FB:D3:91:xx:[email protected]: connected 
08:01:07 wireless,info 28:FB:D3:91:xx:[email protected]: disconnected, received disassoc: sending station leaving (8) 
08:01:12 wireless,info 28:FB:D3:91:xx:[email protected]: connected 
08:01:16 wireless,info 28:FB:D3:91:xx:[email protected]: disconnected, received disassoc: sending station leaving (8) 
08:02:02 wireless,info 28:FB:D3:91:xx:[email protected]: connected 
08:02:04 wireless,info 28:FB:D3:91:xx:[email protected]: disconnected, received disassoc: sending station leaving (8) 
08:02:42 wireless,info 28:FB:D3:91:xx:[email protected]: connected 
08:02:43 wireless,info 28:FB:D3:91:xx:[email protected]: disconnected, received disassoc: sending station leaving (8) 
08:02:45 wireless,info 28:FB:D3:91:xx:[email protected]: connected 
08:02:51 wireless,info 28:FB:D3:91:xx:[email protected]: disconnected, received disassoc: sending station leaving (8) 
08:33:17 wireless,info 30:17:C8:44:yy:[email protected]: disconnected, received deauth: unspecified (1) 
08:33:32 wireless,info 30:17:C8:44:yy:[email protected]: connected

What is it and how to deal with it?
Here are the security settings.

Answer 1

Well then, DO NOT USE TKIP if you want the N band to work. Take off the checkboxes and everything will be fine.