Stale Status on RHVM Engine

Hi

Can anyone suggest how to clear the stale status

hosted-engine --vm-status

--== Host 1 status ==--

conf_on_shared_storage : True
Status up-to-date : False
Hostname : mgmt1-oc-eaa.stc.com.sa
Host ID : 1
Engine status : unknown stale-data
Score : 3400
stopped : False
Local maintenance : False
crc32 : fd66b4d4
local_conf_timestamp : 64890
Host timestamp : 64890
Extra metadata (valid at timestamp):
metadata_parse_version=1
metadata_feature_version=1
timestamp=64890 (Mon Jul 2 10:13:51 2018)
host-id=1
score=3400
vm_conf_refresh_time=64890 (Mon Jul 2 10:13:51 2018)
conf_on_shared_storage=True
maintenance=False
state=EngineUp
stopped=False