This error is caused by crsd not running, while both cssd and evmd processes are running. Also all the database instances are running.
Environment is 126.96.36.199 GI and 188.8.131.52 databases.
$ crsctl check crs CRS-4638: Oracle High Availability Services is online CRS-4535: Cannot communicate with Cluster Ready Services CRS-4529: Cluster Synchronization Services is online CRS-4533: Event Manager is online
$ps -eaf|grep crsd No process found
Try to start up CRS:
# crsctl start crs CRS-4640: Oracle High Availability Services is already active CRS-4000: Command Start failed, or completed with errors.
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