diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/LastTest/tetra_if.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/LastTest/tetra_if.cpp
index 370e8cca0..f11c41730 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/LastTest/tetra_if.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/LastTest/tetra_if.cpp
@@ -35,7 +35,7 @@ TetraIF::TetraIF(const QHostAddress &addr, unsigned short port, unsigned short i
   connect(m_socket, &QTcpSocket::connected, this, &TetraIF::onConnected);
   connect(m_socket, &QTcpSocket::disconnected,  this, &TetraIF::onDisconnected);
   connect(m_socket, &QTcpSocket::readyRead, this, &TetraIF::onReadyRead);
-  connect(m_socket, QOverload<QAbstractSocket::SocketError>::of(&QTcpSocket::error), this, &TetraIF::onError);
+  connect(m_socket, &QAbstractSocket::errorOccurred, this, &TetraIF::onError);
 
   m_outputDir = QCoreApplication::applicationDirPath();
   m_outputDir += QLatin1Char('/') + QString::number(m_issi) + QLatin1Char('-');
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.cpp
index e66bcc171..fca1d57ad 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.cpp
@@ -43,13 +43,13 @@ PrtCnvDbThread::PrtCnvDbThread(const QString &dbDriver,
                                const QString &dbPassword,
                                PrtCnv::PrtCnvThreadStarter *a_parent)
   : PrtCnvThread(a_parent, "PrtCnvDbThread")
-  , m_BattleFieldOpStateMutex(QMutex::Recursive)
-  , m_MemberListByIdMutex(QMutex::Recursive)
-  , m_CentralListMutex(QMutex::Recursive)
+  , m_BattleFieldOpStateMutex()
+  , m_MemberListByIdMutex()
+  , m_CentralListMutex()
   , m_OldCentralAckCounter(0)
-  , m_RadioListMutex(QMutex::Recursive)
-  , m_SqlCmdListMutex(QMutex::Recursive)
-  , m_BroadcastMapMutex(QMutex::Recursive)
+  , m_RadioListMutex()
+  , m_SqlCmdListMutex()
+  , m_BroadcastMapMutex()
   , m_DoClean(false)
   , m_DoWaitUntilSqlWritten(false)
   , m_DoStorePermanent(false)
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.hpp
index bad046a43..473432e79 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvDbThread.hpp
@@ -16,6 +16,7 @@
 
 #include <QtCore/QAtomicInt>
 #include <QtCore/QMutex>
+#include <QtCore/QRecursiveMutex>
 #include <QtCore/QString>
 #include <QtSql/QSqlDatabase>
 #include "PrtCnvThread.hpp"
@@ -213,15 +214,15 @@ namespace PrtCnv
 
     
 
-    mutable QMutex m_BattleFieldOpStateMutex;
+    mutable QRecursiveMutex m_BattleFieldOpStateMutex;
 
     
 
-    mutable QMutex m_MemberListByIdMutex;
+    mutable QRecursiveMutex m_MemberListByIdMutex;
 
     
 
-    mutable QMutex m_CentralListMutex;
+    mutable QRecursiveMutex m_CentralListMutex;
 
     
 
@@ -238,16 +239,16 @@ namespace PrtCnv
     std::list<PrtCnvStoredRadioTelegram*> m_RadioList;
     
 
-    mutable QMutex m_RadioListMutex;
+    mutable QRecursiveMutex m_RadioListMutex;
     
 
     std::vector<QString> m_SqlCommandList;
     
 
-    mutable QMutex m_SqlCmdListMutex;
+    mutable QRecursiveMutex m_SqlCmdListMutex;
     
 
-    mutable QMutex m_BroadcastMapMutex;
+    mutable QRecursiveMutex m_BroadcastMapMutex;
     
 
     std::list<PrtCnvStoredRadioTelegram*> m_BroadcastList;
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.cpp
index 6b36a6ad0..91230606d 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.cpp
@@ -25,6 +25,7 @@ namespace PrtCnv
 PrtCnvInjectionSocket::PrtCnvInjectionSocket()
   : m_Socket(nullptr)
   , m_Server(nullptr)
+  , m_logger(getLogger("PrtCnvInjectionSocket"))
 {}
 
 PrtCnvInjectionSocket::~PrtCnvInjectionSocket()
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.hpp
index 45c535dc8..dc7687f15 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvInjectionSocket.hpp
@@ -39,6 +39,8 @@ namespace PrtCnv
     QTcpSocket *m_Socket;
 
     PrtCnvInjectionThread *m_Server;
+
+    NGL::INGLLogger &m_logger;
   protected slots:
     
 
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.cpp
index 5e96ca403..3f3076224 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.cpp
@@ -89,8 +89,7 @@ PrtCnvRadioThread::PrtCnvRadioThread(int exerciseId, PrtCnvThreadStarter *a_pare
       m_ReceivedBytes(0),
       m_bUseScrambling(false),
       m_loggerStats(getLogger("PrtCnvRadioThread.statistic")),
-      m_exerciseEquipmentAssignmentMutex(QMutex::Recursive),
-    m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger()) {
+      m_exerciseEquipmentAssignmentMutex() {
     m_Name = QStringLiteral("Radio");
     for (int i = 0; i < AVERAGE_COUNT; ++i)
     {
@@ -176,8 +175,8 @@ int32_t PrtCnvRadioThread::init()
         m_DbThread->licenseMember(m_DbThread->addMember(0, m_BroadcastISSI));
 
     QString groupString = m_Config->getString(getName(), QStringLiteral("ListenGroups"), QString());
-    const QVector<QStringView> groups = groupString.splitView(QLatin1Char(','), Qt::SkipEmptyParts);
-    for (const QStringView &sr : groups)
+    const QStringList groups = groupString.split(QLatin1Char(','), Qt::SkipEmptyParts);
+    for (const QString &sr : groups)
     {
         uint32_t group = sr.toUInt();
         if (group > 0)
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.hpp
index 5c195df0c..207378d5c 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioThread.hpp
@@ -19,6 +19,7 @@
 #include <set>
 #include <QtCore/QList>
 #include <QtCore/QMutex>
+#include <QtCore/QRecursiveMutex>
 #include <TrainingAreaBase/training_area_telegrams.h>
 
 #define MAX_IDENTITY 65535
@@ -263,7 +264,7 @@ public:
     
     std::unordered_map<int, std::unordered_set<int>> m_exerciseEquipmentAssignments;
     std::unordered_map<int, TrainingAreaBase::TetraIcd::GroupIssiInformation> m_groupIssiInformation;
-    mutable QMutex m_exerciseEquipmentAssignmentMutex;
+    mutable QRecursiveMutex m_exerciseEquipmentAssignmentMutex;
 
   private:
     
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.cpp
index 78359487f..989de6cac 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.cpp
@@ -31,7 +31,7 @@ PrtCnvRadioTrafficThread::PrtCnvRadioTrafficThread(PrtCnvThreadStarter* a_parent
   , m_hystLoad(5)
   , m_calcTimeout(1000)
   , m_cleanupTimeout(5000)
-  , m_mutex(QMutex::Recursive)
+  , m_mutex()
 {}
 
 void PrtCnvRadioTrafficThread::newTelegramArrived(unsigned int size)
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.hpp
index 84953cfb7..1cd63d72a 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvRadioTrafficThread.hpp
@@ -17,6 +17,7 @@
 #include "PrtCnvRadioThread.hpp"
 #include <QtCore/QMap>
 #include <QtCore/QMutex>
+#include <QtCore/QRecursiveMutex>
 
 namespace PrtCnv
 {
@@ -72,7 +73,7 @@ protected:
 
   
 
-  QMutex m_mutex;
+  QRecursiveMutex m_mutex;
 
   
 
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvSocketThread.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvSocketThread.cpp
index 443054f37..2242ccadb 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvSocketThread.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvSocketThread.cpp
@@ -100,7 +100,7 @@ void PrtCnvSocketThread::createNewSocket()
 
   connect(m_Socket, &QTcpSocket::connected, this, &PrtCnvSocketThread::connected, Qt::QueuedConnection);
   connect(m_Socket, &QTcpSocket::disconnected, this, &PrtCnvSocketThread::disconnected, Qt::QueuedConnection);
-  connect(m_Socket, QOverload<QAbstractSocket::SocketError>::of(&QTcpSocket::error), this, &PrtCnvSocketThread::error, Qt::QueuedConnection);
+  connect(m_Socket, &QAbstractSocket::errorOccurred, this, &PrtCnvSocketThread::error, Qt::QueuedConnection);
   connect(m_Socket, &QTcpSocket::hostFound, this, &PrtCnvSocketThread::hostFound, Qt::QueuedConnection);
   connect(m_Socket, &QTcpSocket::stateChanged, this, &PrtCnvSocketThread::stateChanged);
   connect(m_Socket, &QTcpSocket::readyRead, this, &PrtCnvSocketThread::readyRead, Qt::QueuedConnection);
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThread.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThread.hpp
index 02355eb13..2ece0025b 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThread.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThread.hpp
@@ -36,6 +36,8 @@ protected:
     
 
     Qt::HANDLE m_currentThreadId;
+
+    NGL::INGLLogger &m_logger;
   public:
     
 
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.cpp
index 8a0a979fd..b4ad8008c 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.cpp
@@ -33,6 +33,7 @@ PrtCnvThreadStarter::PrtCnvThreadStarter(const PrtCnv::PrtCnvApplication::E_Thre
   , m_Application(a_mainApp)
   , m_Id(a_id)
   , m_settings(new NGL::Settings(configFileName))
+  , m_logger(getLogger("PrtCnvThreadStarter"))
 {
   DEBUG_LOG(m_logger) << "Using Config file '" << configFileName << "'";
 }
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.hpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.hpp
index 4a7809206..465181382 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.hpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/PrtCnvThreadStarter.hpp
@@ -41,6 +41,8 @@ protected:
     
 
     NGL::Settings *m_settings;
+
+    NGL::INGLLogger &m_logger;
   public:
     
 
diff --git a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/TetraTestServer/worker.cpp b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/TetraTestServer/worker.cpp
index 70c905abb..a38539eeb 100644
--- a/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/TetraTestServer/worker.cpp
+++ b/qt6-after/qt6-migrated-legatus/TetraIF/PrtCnv/TetraTestServer/worker.cpp
@@ -30,7 +30,7 @@ bool TTWorker::init()
 {
   connect(m_socket, &QTcpSocket::disconnected,
           this, &TTWorker::deleteLater);
-  connect(m_socket, QOverload<QAbstractSocket::SocketError>::of(&QTcpSocket::error),
+  connect(m_socket, &QAbstractSocket::errorOccurred,
           this, &TTWorker::onSocketError);
   connect(m_socket, &QTcpSocket::readyRead,
           this, &TTWorker::onReadyRead);