특정 일자 xlog 히스토리 로딩 안됨

[mspark7233]

scouter agent 버전 : 2.10.0
scouter 수집 서버 버전 : 2.10.0
scouter 수집 Java 버전: 1.8.0_181

해당 일자의 히스토리 로딩 시 수집 서버에서 아래의 메세지 발생 합니다.

java.lang.RuntimeException: Unknown pack type= 0
at scouter.lang.pack.PackEnum.create(PackEnum.java:62)
at scouter.io.DataInputX.readPack(DataInputX.java:268)
at scouter.server.db.ObjectRD$$anonfun$getObjectList$1.apply(ObjectRD.scala:82)
at scouter.server.db.ObjectRD$$anonfun$getObjectList$1.apply(ObjectRD.scala:80)
at scouter.server.db.io.IndexKeyFile.read(IndexKeyFile.scala:197)
at scouter.server.db.obj.ObjectIndex.read(ObjectIndex.scala:76)
at scouter.server.db.ObjectRD$.read(ObjectRD.scala:109)
at scouter.server.db.ObjectRD$.getObjectList(ObjectRD.scala:80)
at scouter.server.db.ObjectRD$.getDailyAgent(ObjectRD.scala:61)
at scouter.server.netio.service.handle.AgentInfo.getAgentOldList(AgentInfo.scala:72)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at scouter.server.netio.service.ServiceHandlingProxy$Invocation.exec(ServiceHandlingProxy.java:42)
at scouter.server.netio.service.ServiceHandlingProxy.process(ServiceHandlingProxy.java:101)
at scouter.server.netio.service.net.ServiceWorker.run(TcpServiceWorker.scala:126)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

원인과 해결 방법을 알 수 있을까요?