2826656 - Agentry Error: com.sap.agentry.ace.ACECommunicationChannel Web socket session error: java.io.EOFException: null

• While synching to the Agentry Cloud Edition using Work Manager, there is an error that shows up in the Cloud log file that looks like the following:
  
  ~~~~~~~~~~Start Here~~~~~~~~~~
  2019 08 06 14:31:06#+00#INFO#com.sap.agentry.ace.ACELoggerJava.AgentryMessages##anonymous#http-nio-8041-exec-5#na#acepreview#ac74u1novmsv#web##na#na#na#na#MESSAGES: C, 722, 21,  16, 08/06/2019 14:31:06,    ,975341,   378,   usernameA, >unknown< |
  
  2019 08 06 14:31:06#+00#ERROR#com.sap.agentry.ace.ACECommunicationChannel##anonymous#http-nio-8041-exec-5#na#acepreview#ac74u1novmsv#web##na#na#na#na#Web socket session error:  java.io.EOFException: null

               at org.apache.coyote.http11.upgrade.NioServletInputStream.doRead(NioServletInputStream.java:97)

               at org.apache.coyote.http11.upgrade.AbstractServletInputStream.read(AbstractServletInputStream.java:129)

               at org.apache.tomcat.websocket.server.WsFrameServer.onDataAvailable(WsFrameServer.java:56)

               at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler$WsReadListener.onDataAvailable(WsHttpUpgradeHandler.java:202)

               at org.apache.coyote.http11.upgrade.AbstractServletInputStream.onDataAvailable(AbstractServletInputStream.java:203)

               at org.apache.coyote.http11.upgrade.AbstractProcessor.upgradeDispatch(AbstractProcessor.java:93)

               at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:635)

               at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1775)

     ~~~~~~~~End here~~~~~~~~~~~~

#NOTE: Let usernameA be a placeholder in this article and equal to the actual user's mobile username

• What does this error mean?

• SAP Work Manager 6.5 ACE
• SAP HEC Environment (SMP 3.0)
• Agentry Cloud Edition (ACE Server)

"com.sap.agentry.ace.ACECommunicationChannel Web socket session error","Web socket session error: java.io.EOFException: null","Agentry Cloud Edition","ACE crash","ACE error","Agentry Error 13","Work Manager fail to transmit" , KBA , MOB-CLD-AGS , HCP Cloud Agentry services , MOB-SYC-SAP , Syclo Mobility for SAP backend , MOB-ONP-AGS , SAP Mobile On Premise Agentry Server , MOB-ONP-COR , SAP Mobile On Premise Core Services , Problem