Need help on cisco Aironet 1242 series

I received this error message from my Cisco Aironet 1242 serires I
configured as a non-root bridge.
*Mar 1 01:38:52.015: %LINK-5-CHANGED: Interface Dot11Radio0, changed
state to resetInternal error: command failed

*Mar 1 01:38:52.410: dot11_mgmt: bad cookie returned from driver for
mac 0018.ba5b.7d20(expected 0x00000000, got 0x010F3E18) - force driver
to delete client
*Mar 1 01:38:52.592: %LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet0, changed state to up
*Mar 1 01:38:52.877: %LINEPROTO-5-UPDOWN: Line protocol on Interface
BVI1, changed state to up
*Mar 1 01:38:53.008: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Dot11Radio1, changed state to down
*Mar 1 01:38:53.015: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Dot11Radio0, changed state to down
*Mar 1 01:38:57.499: %DOT11-4-UPLINK_ESTABLISHED: Interface
Dot11Radio0, Associated To AP BeverlyHills-Hu 0018.ba5b.7d20 [None]
*Mar 1 01:38:57.499: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Mar 1 01:38:58.499: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Dot11Radio0, changed state to up

although it associated with parent and I can received all the mapped
device, but i can send and receive TCP traffic or reach the parent
Bridge.

need help.

thanks

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