Problem with AP: CSCwk71043 - Assoc Resp failed

[ba so]

CSCwk71043 - Assoc Resp failed due to CLIENT_DEL_DRIVER_ADDING_ENTRY_IN_FIRMWARE_FAILED

The problem is becoming more and more frequent. Is there already a possible permanent solution/update?

Symptom: Assoc Resp failed due to CLIENT_DEL_DRIVER_ADDING_ENTRY_IN_FIRMWARE_FAILED *** RSN ERROR: Received a data frame when no keys are plumbedDOT11_DRV[1]: wcp/RadDrv1 :: Dot11BaseDriver vendor_set_80211_priv ioctl WL_IOCTL_SET_MGMT_SEND failed for apr1v0 error Unknown error 1306 DS Mgmt Assoc Resp 30 failed, fail reason CLIENT_DEL_DRIVER_ADDING_ENTRY_IN_FIRMWARE_FAILED

Conditions: during normal operation

Workaround: AP rebooting

Further Problem Description: na

[Mark Elsen]

  - @ba so         Are you using a controller ? If so , which type ?

  M.

[ba so]

WLC: 
2 x C9800-L-F-K9 (RMI+RP) 
Cisco IOS XE Software, Version 17.12.05

The problem occurs on APs:
AIR-AP2802E-E-K9
AP Running Image : 17.12.5.41

[Mark Elsen]

  - @ba so             Have a try with 17.15.4b

  M.