Configuring Mobility Controller Region

LWAP is not able to join due to  incompatible country code between lwap and mobility controller

Invalid regulatory domain 802.11bg:-A     802.11a:-AB for AP ***********
*Feb 26 07:18:56.777: *%CAPWAP-6-DTLS_CLOSED_ERR:Switch 1 R0/0: wcm:  -----------------truncated ----------------- not allowed to join. Allowed domain: 802.11bg:-A     802.11a:-A
*Feb 26 07:18:56.779: *%CAPWAP-3-POST_DECODE_ERR:Switch 1 R0/0: wcm:  Post decode processing failed for Config status from ---------------------------
*Feb 26 07:18:56.810: %LINK-3-UPDOWN: Interface Capwap0, changed state to up
*Feb 26 07:18:56.785: *%LWAPP-3-AP_DB_ERR1:Switch 1 R0/0: wcm:  Unable to find AP ************************ entry in the database, could not process delete request
*Feb 26 07:18:56.785: *%CAPWAP-6-DTLS_CONN_ERR2:Switch 1 R0/0: wcm:  DTLS connection not found for AP **************** (44518), Controller: *********** (5246) dtls payload
*Feb 26 07:19:25.667: *%LWAPP-3-RD_ERR7:Switch 1 R0/0: wcm:  Invalid country code () for AP *********[...It occurred 3 times/sec!.]
*Feb 26 07:19:25.671: *%CAPWAP-3-RD_ERR4:Switch 1 R0/0: wcm:  Invalid regulatory domain 802.11bg:-A     802.11a:-AB for AP **********
*Feb 26 07:19:25.672: *%CAPWAP-6-DTLS_CLOSED_ERR:Switch 1 R0/0: wcm:  ***********:  DTLS connection closed forAP  132:186:114:199 (44517), Controller: ********** (5246) AP 780c.f034.9780 not allowed to join. Allowed domain: 802.11bg:-A     802.11a:-A
*Feb 26 07:19:25.702: %LINK-3-UPDOWN: Interface Capwap0, changed state to up
*Feb 26 07:19:25.674: *%CAPWAP-3-POST_DECODE_ERR:Switch 1 R0/0: wcm:  Post decode processing failed for Config status from AP ***********
*Feb 26 07:19:25.679: *%LWAPP-3-AP_DB_ERR1:Switch 1 R0/0: wcm:  Unable to find AP ************* entry in the database, could not process delete request
*Feb 26 07:19:25.679: *%CAPWAP-6-DTLS_CONN_ERR2:Switch 1 R0/0: wcm:  DTLS connection not found for AP  ********* (44517), Controller: ******** (5246) dtls payload

 How to configure country codes (CLI)

summary steps:

1. enable
2. show wireless country supported
3. configure terminal
4. ap dot11 24ghz shut
5. ap dot11 5ghz shut
6. ap country (type country code)
7. end
8. show wireless country channels
9. config t
10. no ap dot11 5ghz shut
11. no ap dot11 24ghz shut
12. end