The startup configuration for the affected APs contains a wlan-qos-policy with an invalid name. The name contains spaces causing the software to recognize the qos policy and cause an invalid configuration to load. ie.
wlan-qos-policy Student - 20Mbps
rate-limit client to-air
rate-limit client to-air rate 20000
rate-limit client from-air
rate-limit client from-air rate 20000
qos trust dscp
qos trust wmm
We need to put quotes around the wlan-qos-policy name, save and reboot AP. ie.