As I said, they have exactly same configuration, same network, same everything, the ap is being adopted automatically by auto provisioning policy.
I just tried to configure as a new AP using a diferente RF Domain and I got the same error.
Radio: B8-50-01-A8-82-DC:R1, alias ap7522-A882DC:R1
STATE : Off [model-incompatible country-code]
PHY INFO : Bssid: B8-50-01-F3-61-20 RF-Mode: 2.4GHz-wlan
ACCESS POINT : Name: ap7522-A882DC Location: Dublin Placement: Indoor
CHANNEL : Current: N/A Configured: smt Width: 20MHz
TRANSMIT POWER : 0 dBm
ANTENNA USAGE : 2x2
MAXIMUM DATA RATES : Phy: N/A User: N/A
PHY SETTINGS : Short Preamble: N Dual Channel: N Spectrum Mgmt: N
RATE SELECTION : Standard
ANTENNA DOWNTILT : Not-Supported
RADIO SHARE MODE : Off
TRANSMIT BEAMFORMING : Enabled
MU-MIMO : Not-Supported
SCAN_AHEAD CHANNEL : -
ERP COEXISTENCE : ERP Protection: N Non-ERP detected: N Non-ERP associated: N
HT COEXISTENCE : HT Protection: no-protection, Non-HT detected: N
Current Channel Width: 20Mhz, reason: per configuration
Num of Mcast Streams : 0 (max:25)
Multicast streams :
# MP Mcast Streams : 0
WLAN MAP :
BSS-1 : UK WLAN 2* (*=primary)
Shutdown WLANs :
MESHPOINT map :
BSS MAP :
BSS-1 : basic-rates = 1 2 5.5 11
: supported-rates= 1 2 5.5 6 9 11 12 18 24 36 48 54 mcs-1s mcs-2s
Last error : ie [Ireland] not supported on hardware model AP-7522-67040-WR
and It was configured as UK before with the same error.