Sourcetrail

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45a4174c..3794e49e 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -173,14 +173,14 @@ if (isVcpkgBuild)
    set(Boost_NO_SYSTEM_PATHS ON)
 endif()

 set(BOOST_MIN_VERSION 1.83)
-set(BOOST_MAX_VERSION 1.89)
+set(BOOST_MAX_VERSION 1.90)

 find_package(Boost CONFIG REQUIRED
    COMPONENTS
        # compiled libraries:
-       system program_options filesystem date_time locale
+       program_options filesystem date_time locale

        # 'header-only' libraries which can't be found with find_package:
        # interprocess uuid asio process predef dll

@@ -216,9 +216,9 @@ target_link_libraries(External_lib_boost
        Boost::filesystem
        Boost::headers
        Boost::locale
        Boost::program_options
-       Boost::system
+       Boost::filesystem

        # Prevent linker error in vcpkg build:
        External_lib_icu
 )
diff --git a/cmake/Sourcetrail.cmake b/cmake/Sourcetrail.cmake
index 460b0657..fdf91136 100644
--- a/cmake/Sourcetrail.cmake
+++ b/cmake/Sourcetrail.cmake
@@ -1,8 +1,8 @@
 function(checkVersionRange libraryName version versionMin versionMax)
    # Version range in find_package has quite often not the desired effect, so check version ranges manually:
    if (NOT (${version} VERSION_GREATER_EQUAL ${versionMin} AND ${version} VERSION_LESS ${versionMax}))
-       message(FATAL_ERROR "${libraryName} version ${version} is not supported! Must be in range >= ${versionMin} and < ${versionMax}")
+       message(WARNING "${libraryName} version ${version} is not supported! Must be in range >= ${versionMin} and < ${versionMax}")
    endif()
 endfunction()

 function(setGccTargetOptions targetName)
diff --git a/src/lib_gui/platform/setupApp.cpp b/src/lib_gui/platform/setupApp.cpp
index 4dee0da1..70f7bebc 100644
--- a/src/lib_gui/platform/setupApp.cpp
+++ b/src/lib_gui/platform/setupApp.cpp
@@ -20,9 +20,8 @@

 using namespace std;
 using namespace utility;
 using namespace boost::locale;
-using namespace boost::system;
 using namespace boost::filesystem;

 void setupDefaultLocale()
 {