C4507 error

Anybody encountered this error on Cisco 4507?

11w2d: %HA_CONFIG_SYNC-3-LBL_CFGSYNC: Unable to sync due to IPC timeout or IPC rsp loss with current timeout(150) in second

11w2d: %HA_CONFIG_SYNC-3-LBL_CFGSYNC: Unable to sync cfg-changed cmd(int GigabitEthernet3/1) to standby

Need your feedback on this!!