Cisco WLC 9800 cannot detect APs

Troubleshooting
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7

@thl-cmk thank you for your help
here is the result of snmpwalk -v2c -c public IP .1.3.6.1.2.1.1.2.0

SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.9.1.2861