Dropped connections every day, few times a day.
WLC Was working perfectly fine for about a year then had some dropped connections.
Upgraded to the latest firmaware and also default it to the factory and reconfigured it.
Software Version 220.127.116.11
8x Cisco: AIR-LAP1131AG-A-K9 also v/18.104.22.168
Interference Profile Failed for Base Radio MAC: