ORA-12622
        TNS:event notifications are not homogeneous
        
        
        Cause
        An attempt to register a connection for event notification failed because the event notification type conflicts with existing registrations.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation and contact Oracle Customer Support.
        
     
    
    
        ORA-12622
        TNS:event notifications are not homogeneous
        
        
        Cause
        An attempt to register a connection for event notification failed because the event notification type conflicts with existing registrations.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation and contact Oracle Customer Support.
        
     
    
    
        ORA-12622
        TNS:event notifications are not homogeneous
        
        
        Cause
        An attempt to register a connection for event notification failed because the event notification type conflicts with existing registrations.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation and contact Oracle Customer Support.