diff --git a/assignment-client/src/assets/AssetServer.cpp b/assignment-client/src/assets/AssetServer.cpp
index 017ffd94f1..a7927fd5b4 100644
--- a/assignment-client/src/assets/AssetServer.cpp
+++ b/assignment-client/src/assets/AssetServer.cpp
@@ -27,6 +27,7 @@
 #include "NodeType.h"
 #include "SendAssetTask.h"
 #include "UploadAssetTask.h"
+#include <ClientServerUtils.h>
 
 const QString ASSET_SERVER_LOGGING_TARGET_NAME = "asset-server";
 
diff --git a/assignment-client/src/assets/SendAssetTask.cpp b/assignment-client/src/assets/SendAssetTask.cpp
index d2b3c6c256..ca8733d660 100644
--- a/assignment-client/src/assets/SendAssetTask.cpp
+++ b/assignment-client/src/assets/SendAssetTask.cpp
@@ -21,6 +21,7 @@
 #include <udt/Packet.h>
 
 #include "AssetUtils.h"
+#include "ClientServerUtils.h"
 
 SendAssetTask::SendAssetTask(QSharedPointer<ReceivedMessage> message, const SharedNodePointer& sendToNode, const QDir& resourcesDir) :
     QRunnable(),
diff --git a/assignment-client/src/assets/UploadAssetTask.cpp b/assignment-client/src/assets/UploadAssetTask.cpp
index e09619a3cc..7e8e94c34d 100644
--- a/assignment-client/src/assets/UploadAssetTask.cpp
+++ b/assignment-client/src/assets/UploadAssetTask.cpp
@@ -18,6 +18,8 @@
 #include <NodeList.h>
 #include <NLPacketList.h>
 
+#include "ClientServerUtils.h"
+
 
 UploadAssetTask::UploadAssetTask(QSharedPointer<ReceivedMessage> receivedMessage, SharedNodePointer senderNode,
                                  const QDir& resourcesDir) :
diff --git a/assignment-client/src/scripts/EntityScriptServer.cpp b/assignment-client/src/scripts/EntityScriptServer.cpp
index ca48016feb..c1e53dda17 100644
--- a/assignment-client/src/scripts/EntityScriptServer.cpp
+++ b/assignment-client/src/scripts/EntityScriptServer.cpp
@@ -11,8 +11,6 @@
 
 #include "EntityScriptServer.h"
 
-#include "EntityScriptUtils.h"
-
 #include <AudioConstants.h>
 #include <AudioInjectorManager.h>
 #include <EntityScriptingInterface.h>
@@ -26,6 +24,7 @@
 #include <UUID.h>
 #include <WebSocketServerClass.h>
 
+#include "ClientServerUtils.h"
 #include "../entities/AssignmentParentFinder.h"
 
 int EntityScriptServer::_entitiesScriptEngineCount = 0;
diff --git a/libraries/networking/src/AssetClient.h b/libraries/networking/src/AssetClient.h
index be1cafa232..c0d58cd8e6 100644
--- a/libraries/networking/src/AssetClient.h
+++ b/libraries/networking/src/AssetClient.h
@@ -21,6 +21,7 @@
 #include <DependencyManager.h>
 
 #include "AssetUtils.h"
+#include "ClientServerUtils.h"
 #include "LimitedNodeList.h"
 #include "Node.h"
 #include "ReceivedMessage.h"
diff --git a/libraries/networking/src/AssetUtils.h b/libraries/networking/src/AssetUtils.h
index b0008271d2..4137193274 100644
--- a/libraries/networking/src/AssetUtils.h
+++ b/libraries/networking/src/AssetUtils.h
@@ -19,7 +19,6 @@
 #include <QtCore/QByteArray>
 #include <QtCore/QUrl>
 
-using MessageID = uint32_t;
 using DataOffset = int64_t;
 
 using AssetPath = QString;
@@ -27,8 +26,6 @@ using AssetHash = QString;
 using AssetMapping = std::map<AssetPath, AssetHash>;
 using AssetPathList = QStringList;
 
-const MessageID INVALID_MESSAGE_ID = 0;
-
 const size_t SHA256_HASH_LENGTH = 32;
 const size_t SHA256_HASH_HEX_LENGTH = 64;
 const uint64_t MAX_UPLOAD_SIZE = 1000 * 1000 * 1000; // 1GB
@@ -66,4 +63,4 @@ bool isValidFilePath(const AssetPath& path);
 bool isValidPath(const AssetPath& path);
 bool isValidHash(const QString& hashString);
 
-#endif
+#endif // hifi_AssetUtils_h
diff --git a/libraries/networking/src/ClientServerUtils.h b/libraries/networking/src/ClientServerUtils.h
new file mode 100644
index 0000000000..234c6d7c91
--- /dev/null
+++ b/libraries/networking/src/ClientServerUtils.h
@@ -0,0 +1,21 @@
+
+//
+//  ClientServerUtils.h
+//  libraries/networking/src
+//
+//  Created by Ryan Huffman on 2017/01/20
+//  Copyright 2017 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_ClientServerUtils_h
+#define hifi_ClientServerUtils_h
+
+#include <cstdint>
+
+using MessageID = uint32_t;
+const MessageID INVALID_MESSAGE_ID = 0;
+
+#endif // hifi_ClientServerUtils_h
diff --git a/libraries/networking/src/EntityScriptClient.h b/libraries/networking/src/EntityScriptClient.h
index d331b8ca31..926521d9b8 100644
--- a/libraries/networking/src/EntityScriptClient.h
+++ b/libraries/networking/src/EntityScriptClient.h
@@ -12,6 +12,7 @@
 #ifndef hifi_EntityScriptClient_h
 #define hifi_EntityScriptClient_h
 
+#include "ClientServerUtils.h"
 #include "LimitedNodeList.h"
 #include "ReceivedMessage.h"
 #include "AssetUtils.h"
@@ -20,8 +21,6 @@
 #include <DependencyManager.h>
 #include <unordered_map>
 
-using MessageID = uint32_t;
-
 using GetScriptStatusCallback = std::function<void(bool responseReceived, bool isRunning, EntityScriptStatus status, QString errorInfo)>;
 
 class GetScriptStatusRequest : public QObject {
diff --git a/libraries/script-engine/src/ScriptEngine.cpp b/libraries/script-engine/src/ScriptEngine.cpp
index c6b5f2c174..ab9d4af417 100644
--- a/libraries/script-engine/src/ScriptEngine.cpp
+++ b/libraries/script-engine/src/ScriptEngine.cpp
@@ -147,19 +147,22 @@ static bool hasCorrectSyntax(const QScriptProgram& program, ScriptEngine* report
     return true;
 }
 
-static bool hadUncaughtExceptions(QScriptEngine& engine, const QString& fileName, ScriptEngine* reportingEngine, QString& exceptionMessage = QString()) {
+static bool hadUncaughtExceptions(QScriptEngine& engine, const QString& fileName, ScriptEngine* reportingEngine, QString* exceptionMessage = nullptr) {
     if (engine.hasUncaughtException()) {
         const auto backtrace = engine.uncaughtExceptionBacktrace();
         const auto exception = engine.uncaughtException().toString();
         const auto line = QString::number(engine.uncaughtExceptionLineNumber());
         engine.clearExceptions();
 
-        exceptionMessage = QString(SCRIPT_EXCEPTION_FORMAT).arg(exception, fileName, line);
+        QString message = QString(SCRIPT_EXCEPTION_FORMAT).arg(exception, fileName, line);
         if (!backtrace.empty()) {
             static const auto lineSeparator = "\n    ";
-            exceptionMessage += QString("\n[Backtrace]%1%2").arg(lineSeparator, backtrace.join(lineSeparator));
+            message += QString("\n[Backtrace]%1%2").arg(lineSeparator, backtrace.join(lineSeparator));
+        }
+        reportingEngine->scriptErrorMessage(qPrintable(message));
+        if (exceptionMessage) {
+            *exceptionMessage = message;
         }
-        reportingEngine->scriptErrorMessage(qPrintable(exceptionMessage));
         return true;
     }
     return false;
@@ -1471,7 +1474,7 @@ void ScriptEngine::entityScriptContentAvailable(const EntityItemID& entityID, co
     }
 
     QString exceptionMessage;
-    if (hadUncaughtExceptions(sandbox, program.fileName(), this, exceptionMessage)) {
+    if (hadUncaughtExceptions(sandbox, program.fileName(), this, &exceptionMessage)) {
         newDetails.status = ERROR_RUNNING_SCRIPT;
         newDetails.errorInfo = exceptionMessage;
         _entityScripts[entityID] = newDetails;