MEDIASERVER:
12:43:34,305 ERROR [DeleteConnectionCommand] (mgcp-3) Protocol error occurred during tx=147522797 execution: The transaction could not be executed, because the endpoint is unknown
SIP-SERVLET:
12:44:25,366 ERROR [org.mobicents.servlet.sip.core.SipApplicationDispatcherImpl] Unexpected exception while processing request ACK sip:outgoingSolution?taskId=5e316c578a109b0007a65470&callUuid=3e88a806-5c37-48f2-bb5b-6b99ec14a464&callTaskServiceHost=small-apps4-back&callTaskServicePort=8105&scenarioResultTopic=scenario_result_sdk_v2_app-zoon&sleepBeforeScenarioMs=16@192.168.0.83:5095 SIP/2.0
Via: SIP/2.0/UDP 92.119.230.60;rport=5060;branch=z9hG4bKQjHS159ZF0yyB;received=92.119.230.60
Max-Forwards: 70
From: "" <sip:freeswitch@192.168.0.83:5095>;tag=305rU5XFQm37e
To: <sip:outgoingSolution?taskId=5e316c578a109b0007a65470&callUuid=3e88a806-5c37-48f2-bb5b-6b99ec14a464&callTaskServiceHost=small-apps4-back&callTaskServicePort=8105&scenarioResultTopic=scenario_result_sdk_v2_app-zoon&sleepBeforeScenarioMs=16@192.168.0.83:5095>;tag=91585101_90321aa2_d8bfccc0_1f7a87c5
Call-ID: c8ccd9d6-bd37-1238-2b9a-0618689519a7
CSeq: 15597111 ACK
Content-Length: 0

: org.mobicents.servlet.sip.core.DispatcherException: Cannot find the corresponding sip application session to this subsequent request ACK sip:outgoingSolution?taskId=5e316c578a109b0007a65470&callUuid=3e88a806-5c37-48f2-bb5b-6b99ec14a464&callTaskServiceHost=small-apps4-back&callTaskServicePort=8105&scenarioResultTopic=scenario_result_sdk_v2_app-zoon&sleepBeforeScenarioMs=16@192.168.0.83:5095 SIP/2.0
Via: SIP/2.0/UDP 92.119.230.60;rport=5060;branch=z9hG4bKQjHS159ZF0yyB;received=92.119.230.60
Max-Forwards: 70
From: "" <sip:freeswitch@192.168.0.83:5095>;tag=305rU5XFQm37e
To: <sip:outgoingSolution?taskId=5e316c578a109b0007a65470&callUuid=3e88a806-5c37-48f2-bb5b-6b99ec14a464&callTaskServiceHost=small-apps4-back&callTaskServicePort=8105&scenarioResultTopic=scenario_result_sdk_v2_app-zoon&sleepBeforeScenarioMs=16@192.168.0.83:5095>;tag=91585101_90321aa2_d8bfccc0_1f7a87c5
Call-ID: c8ccd9d6-bd37-1238-2b9a-0618689519a7
CSeq: 15597111 ACK
Content-Length: 0

, it may already have been invalidated or timed out
    at org.mobicents.servlet.sip.core.dispatchers.SubsequentRequestDispatcher.dispatchMessage(SubsequentRequestDispatcher.java:255) [sip-servlets-impl-3.2.0-89.jar:3.2.0-89]
    at org.mobicents.servlet.sip.core.SipApplicationDispatcherImpl.processRequest(SipApplicationDispatcherImpl.java:927) [sip-servlets-impl-3.2.0-89.jar:3.2.0-89]
    at gov.nist.javax.sip.EventScanner.deliverRequestEvent(EventScanner.java:250) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.EventScanner.deliverEvent(EventScanner.java:146) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.SipProviderImpl.handleEvent(SipProviderImpl.java:185) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.DialogFilter.processRequest(DialogFilter.java:1328) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.stack.SIPServerTransactionImpl.processRequest(SIPServerTransactionImpl.java:876) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.stack.UDPMessageChannel.processMessage(UDPMessageChannel.java:581) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.stack.UDPMessageChannel.processIncomingDataPacket(UDPMessageChannel.java:527) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at gov.nist.javax.sip.stack.UDPMessageChannel.run(UDPMessageChannel.java:325) [jain-sip-ri-1.3.0-32.jar:1.3.0-32]
    at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_222]


12:44:25,366 WARN  [gov.nist.javax.sip.stack.BlockingQueueDispatchAuditor] Removed stuck messages=3 total rejected=3 stil in queue=0