SM deregistered - INA confirmation not received by AP

Thank you for trying.

I got this info about all errors, but I have one that is not in the table :) 

Dec 23 10:24:33 XXXX kernel: [596657.750000] SM disassociated from AP[00:04:56:XXXXX] F=5835 11naht20. Reason: 52 (INAC MISS TIMEOUT)

http://community.cambiumnetworks.com/t5/ePMP-Troubleshooting/Network-Entry-State-Definitions-and-Courses-of-Action/m-p/40712#M8