Please share output of "show ap name <AP_NAME> tag detail". Maybe create a new RF-TAG and assign it manually. 

 Refer to Cisco's Wireless Compliance Tool to confirm AP model compatibility for Bonaire.Check with BTP Bonaire to ensure compliance with local wireless regulations.If purchasing through a Cisco reseller, ask them to validate the regulatory domain SK...

Please refer this - Cisco Wireless Solutions Software Compatibility Matrix The following AP models are supported with the 5520 WLC running at least version 8.10.181.0:AIR-AP1832I-Z-K9AIR-AP2802I-Z-K9AIR-AP3802I-B-K9AIR-CAP1532I-Z-K9C9120AXI-SC9105AXW...