What is the root cause of this error found in the TrueSight.log, should there be concern over this error message?

ERROR 08/21 14:51:49 status_change_msg_rt [ProcessStatusChangeMessageHandler_Rate] Optimistic check for FedCacheRuntime status failed. [AgentController] Missing Resource String
java.rmi.NotBoundException: AgentController
    at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:227)
    at sun.rmi.registry.RegistryImpl_Skel.dispatch(RegistryImpl_Skel.java:115)
    at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:468)
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:300)
    at sun.rmi.transport.Transport$1.run(Transport.java:200)
    at sun.rmi.transport.Transport$1.run(Transport.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
    at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:283)
    at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:260)
    at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:375)
    at sun.rmi.registry.RegistryImpl_Stub.lookup(RegistryImpl_Stub.java:119)
    at java.rmi.Naming.lookup(Naming.java:101)
    at com.proactivenet.agent.controller.AgentController.getAgentControllerRMI(AgentController.java:214)
    at com.proactivenet.server.ProcessStatusChangeMessageHandler.isFedCacheInitializedInAC(ProcessStatusChangeMessageHandler.java:55)
    at com.proactivenet.server.ProcessStatusChangeMessageHandler.run(ProcessStatusChangeMessageHandler.java:91)
    at java.lang.Thread.run(Thread.java:748)

This exception is harmless.
During server start-up, RMI checks the status of the TSIM processes.
If the Agent Controller process is not fully started, this error is generated
Once all processes are fully up, this error stops.