diff --git a/config/global.ini.default b/config/global.ini.default
index 87c3b4cc..db3ec4a2 100644
--- a/config/global.ini.default
+++ b/config/global.ini.default
@@ -12,6 +12,8 @@ ServerSecret = default
 DataPath = C:\\SquareEnix\\FINAL FANTASY XIV - A Realm Reborn\\game\\sqpack
 WorldID = 67
 DefaultGMRank = 255
+LogLevel = 1
+LogFilter = 0
 
 [Network]
 ; Values definining how Users and other servers will access - these have to be set to your public IP when running a public server
diff --git a/src/api/main.cpp b/src/api/main.cpp
index 5fd967a0..92d422b1 100644
--- a/src/api/main.cpp
+++ b/src/api/main.cpp
@@ -713,6 +713,8 @@ int main( int argc, char* argv[] )
   if( !loadSettings( argc, argv ) )
     throw std::exception();
 
+  Logger::setLogLevel( m_config.global.general.logLevel );
+
   server.resource[ "^/ZoneName/([0-9]+)$" ][ "GET" ] = &getZoneName;
   server.resource[ "^/sapphire-api/lobby/createAccount" ][ "POST" ] = &createAccount;
   server.resource[ "^/sapphire-api/lobby/login" ][ "POST" ] = &login;
diff --git a/src/common/Config/ConfigDef.h b/src/common/Config/ConfigDef.h
index 587ae30f..3aca9cff 100644
--- a/src/common/Config/ConfigDef.h
+++ b/src/common/Config/ConfigDef.h
@@ -16,6 +16,8 @@ namespace Sapphire::Common::Config
       uint16_t worldID;
 
       uint8_t defaultGMRank;
+      uint8_t logLevel;
+      uint32_t logFilter;
     } general;
 
     struct Network
diff --git a/src/common/Config/ConfigMgr.cpp b/src/common/Config/ConfigMgr.cpp
index a1ad914b..a4fa1bdc 100644
--- a/src/common/Config/ConfigMgr.cpp
+++ b/src/common/Config/ConfigMgr.cpp
@@ -57,6 +57,8 @@ bool Sapphire::ConfigMgr::loadGlobalConfig( Common::Config::GlobalConfig& config
   config.general.serverSecret = getValue< std::string >( "General", "ServerSecret", "default" );
   config.general.worldID = getValue< uint16_t >( "General", "WorldID", 67 );
   config.general.defaultGMRank = getValue< uint8_t >( "General", "DefaultGMRank", 255 );
+  config.general.logLevel = getValue< uint8_t >( "General", "LogLevel", 1 );
+  config.general.logFilter = getValue< uint32_t >( "General", "LogFilter", 0 );
 
   // network
   config.network.zoneHost = getValue< std::string >( "Network", "ZoneHost", "127.0.0.1" );
diff --git a/src/common/Logging/Logger.cpp b/src/common/Logging/Logger.cpp
index dbf83f4f..a8c17bff 100644
--- a/src/common/Logging/Logger.cpp
+++ b/src/common/Logging/Logger.cpp
@@ -53,6 +53,11 @@ namespace Sapphire
     spdlog::flush_on( spdlog::level::critical );
   }
 
+  void Logger::setLogLevel( uint8_t logLevel )
+  {
+    spdlog::set_level( static_cast< spdlog::level::level_enum >( logLevel ) );
+  }
+
   void Logger::error( const std::string& text )
   {
     spdlog::get( "logger" )->error( text );
diff --git a/src/common/Logging/Logger.h b/src/common/Logging/Logger.h
index 5151eb1d..af0c9d0d 100644
--- a/src/common/Logging/Logger.h
+++ b/src/common/Logging/Logger.h
@@ -19,6 +19,7 @@ namespace Sapphire
   public:
 
     static void init( const std::string& logPath );
+    static void setLogLevel( uint8_t logLevel );
 
     // todo: this is a minor increase in build time because of fmtlib, but much less than including spdlog directly
 
diff --git a/src/lobby/ServerLobby.cpp b/src/lobby/ServerLobby.cpp
index d1530dcf..47d8a868 100644
--- a/src/lobby/ServerLobby.cpp
+++ b/src/lobby/ServerLobby.cpp
@@ -63,6 +63,8 @@ namespace Sapphire
       return;
     }
 
+    Logger::setLogLevel( m_config.global.general.logLevel );
+
     auto pFw = std::make_shared< Framework >();
     Network::HivePtr hive( new Network::Hive() );
     Network::addServerToHive< Network::GameConnection >( m_ip, m_port, hive, pFw );
diff --git a/src/world/Manager/NaviMgr.cpp b/src/world/Manager/NaviMgr.cpp
index 5462af7f..c3490920 100644
--- a/src/world/Manager/NaviMgr.cpp
+++ b/src/world/Manager/NaviMgr.cpp
@@ -10,10 +10,11 @@ Sapphire::World::Manager::NaviMgr::NaviMgr( FrameworkPtr pFw ) :
 
 bool Sapphire::World::Manager::NaviMgr::setupTerritory( const std::string& bgPath )
 {
-  std::string bg;
-  auto findPos = bgPath.find_last_of( "/" );
-  if( findPos != std::string::npos )
-    bg = bgPath.substr( findPos + 1 );
+  std::string bg = getBgName( bgPath );
+
+  // check if a provider exists already
+  if( m_naviProviderTerritoryMap.find( bg ) != m_naviProviderTerritoryMap.end() )
+    return true;
 
   auto provider = Navi::make_NaviProvider( bg, m_pFw );
 
@@ -28,13 +29,19 @@ bool Sapphire::World::Manager::NaviMgr::setupTerritory( const std::string& bgPat
 
 Sapphire::World::Navi::NaviProviderPtr Sapphire::World::Manager::NaviMgr::getNaviProvider( const std::string& bgPath )
 {
-  std::string bg;
-  auto findPos = bgPath.find_last_of( "/" );
-  if( findPos != std::string::npos )
-    bg = bgPath.substr( findPos + 1 );
+  std::string bg = getBgName( bgPath );
 
   if( m_naviProviderTerritoryMap.find( bg ) != m_naviProviderTerritoryMap.end() )
     return m_naviProviderTerritoryMap[ bg ];
 
   return nullptr;
 }
+
+std::string Sapphire::World::Manager::NaviMgr::getBgName( const std::string& bgPath )
+{
+  auto findPos = bgPath.find_last_of( "/" );
+  if( findPos != std::string::npos )
+    return bgPath.substr( findPos + 1 );
+
+  return "";
+}
diff --git a/src/world/Manager/NaviMgr.h b/src/world/Manager/NaviMgr.h
index 5a55ab0c..6aeac713 100644
--- a/src/world/Manager/NaviMgr.h
+++ b/src/world/Manager/NaviMgr.h
@@ -22,6 +22,8 @@ namespace Sapphire::World::Manager
   private:
     FrameworkPtr m_pFw;
 
+    std::string getBgName( const std::string& bgPath );
+
     std::unordered_map< std::string, Navi::NaviProviderPtr > m_naviProviderTerritoryMap;
   };
 
diff --git a/src/world/Navi/NaviProvider.cpp b/src/world/Navi/NaviProvider.cpp
index eab3d6b7..7ad3f463 100644
--- a/src/world/Navi/NaviProvider.cpp
+++ b/src/world/Navi/NaviProvider.cpp
@@ -36,7 +36,8 @@ bool Sapphire::World::Navi::NaviProvider::init()
   {
     auto baseMesh = meshFolder / std::experimental::filesystem::path( m_internalName + ".nav" );
 
-    loadMesh( baseMesh.string() );
+    if( !loadMesh( baseMesh.string() ) )
+      return false;
 
     initQuery();
 
@@ -376,11 +377,14 @@ std::vector< Sapphire::Common::FFXIVARR_POSITION3 >
   return resultCoords;
 }
 
-void Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
+bool Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
 {
   FILE* fp = fopen( path.c_str(), "rb" );
   if( !fp )
-    throw std::runtime_error( "Could open navimesh file" );
+  {
+    Logger::error( "Couldn't open navimesh file: {0}", path );
+    return false;
+  }
 
   // Read header.
   NavMeshSetHeader header;
@@ -389,19 +393,22 @@ void Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
   if( readLen != 1 )
   {
     fclose( fp );
-    throw std::runtime_error( "Could not read NavMeshSetHeader" );
+    Logger::error( "Couldn't read NavMeshSetHeader for {0}", path );
+    return false;
   }
 
   if( header.magic != NAVMESHSET_MAGIC )
   {
     fclose( fp );
-    throw std::runtime_error( "Not a NavMeshSet" );
+    Logger::error( "'{0}' has an incorrect NavMeshSet header.", path );
+    return false;
   }
 
   if( header.version != NAVMESHSET_VERSION )
   {
     fclose( fp );
-    throw std::runtime_error( "Invalid NavMeshSet version" );
+    Logger::error( "'{0}' has an incorrect NavMeshSet version. Expected '{1}', got '{2}'", path, NAVMESHSET_VERSION, header.version );
+    return false;
   }
 
   if( !m_naviMesh )
@@ -410,14 +417,16 @@ void Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
     if( !m_naviMesh )
     {
       fclose( fp );
-      throw std::runtime_error( "Could not allocate dtNavMesh" );
+      Logger::error( "Couldn't allocate dtNavMesh" );
+      return false;
     }
 
     dtStatus status = m_naviMesh->init( &header.params );
     if( dtStatusFailed( status ) )
     {
       fclose( fp );
-      throw std::runtime_error( "Could not initialize dtNavMesh" );
+      Logger::error( "Couldn't initialise dtNavMesh" );
+      return false;
     }
   }
 
@@ -429,13 +438,14 @@ void Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
     if( readLen != 1 )
     {
       fclose( fp );
-      throw std::runtime_error( "Could not read NavMeshTileHeader" );
+      Logger::error( "Couldn't read NavMeshTileHeader from '{0}'", path );
+      return false;
     }
 
     if( !tileHeader.tileRef || !tileHeader.dataSize )
       break;
 
-    uint8_t* data = reinterpret_cast< uint8_t* >( dtAlloc( tileHeader.dataSize, DT_ALLOC_PERM ) );
+    auto data = reinterpret_cast< uint8_t* >( dtAlloc( tileHeader.dataSize, DT_ALLOC_PERM ) );
     if( !data ) 
       break;
     memset( data, 0, tileHeader.dataSize );
@@ -444,11 +454,15 @@ void Sapphire::World::Navi::NaviProvider::loadMesh( const std::string& path )
     {
       dtFree( data );
       fclose( fp );
-      throw std::runtime_error( "Could not read tile data" );
+
+      Logger::error( "Couldn't read tile data from '{0}'", path );
+      return false;
     }
 
     m_naviMesh->addTile( data, tileHeader.dataSize, DT_TILE_FREE_DATA, tileHeader.tileRef, 0 );
   }
 
   fclose( fp );
+
+  return true;
 }
diff --git a/src/world/Navi/NaviProvider.h b/src/world/Navi/NaviProvider.h
index 6d7d0f0b..ff833ca4 100644
--- a/src/world/Navi/NaviProvider.h
+++ b/src/world/Navi/NaviProvider.h
@@ -34,7 +34,7 @@ namespace Sapphire::World::Navi
     explicit NaviProvider( const std::string& internalName, FrameworkPtr pFw );
 
     bool init();
-    void loadMesh( const std::string& path );
+    bool loadMesh( const std::string& path );
     void initQuery();
 
     void toDetourPos( const Common::FFXIVARR_POSITION3& position, float* out );
diff --git a/src/world/Script/ScriptMgr.cpp b/src/world/Script/ScriptMgr.cpp
index c1cb2f69..d9021b9f 100644
--- a/src/world/Script/ScriptMgr.cpp
+++ b/src/world/Script/ScriptMgr.cpp
@@ -53,7 +53,7 @@ bool Sapphire::Scripting::ScriptMgr::init()
 
   if( !status )
   {
-    Logger::error( "ScriptMgr: failed to load scripts, the server will not function correctly without scripts loaded." );
+    Logger::error( "ScriptMgr: failed to load modules, the server will not function correctly without scripts loaded." );
     return false;
   }
 
diff --git a/src/world/ServerMgr.cpp b/src/world/ServerMgr.cpp
index 1b314584..7149356d 100644
--- a/src/world/ServerMgr.cpp
+++ b/src/world/ServerMgr.cpp
@@ -129,6 +129,8 @@ void Sapphire::World::ServerMgr::run( int32_t argc, char* argv[] )
     return;
   }
 
+  Logger::setLogLevel( m_config.global.general.logLevel );
+
   Logger::info( "Setting up generated EXD data" );
   auto pExdData = std::make_shared< Data::ExdDataGenerated >();
   auto dataPath = m_config.global.general.dataPath;