Do you have PCP enabled. There might be issue with between node communication.
Check for ICM log file for more error details under $APPLCSF/$APPLOG. It will be with <DBName>_<pid>.log format.
Thanks Venkat, is there a way to disable PCP?
rol back the changes what done to enable the PCP
Mainly check the below variable in context file and roll back
Runthe autoconfig after changing the values