Server log: prize crash

/usr/local/bin/stktest: line 3: 25929 Segmentation fault      (core dumped) ./supertuxkart --server-config=/long/path/frankfurt_test.xml --network-console
root@stkserver:~#
root@stkserver:~# coredumpctl gdb supertuxkart
           PID: 25929 (supertuxkart)
           UID: 0 (root)
           GID: 0 (root)
        Signal: 11 (SEGV)
     Timestamp: Mon 2020-01-06 18:42:45 UTC (7min ago)
  Command Line: ./supertuxkart --server-config=/long/path/frankfurt_test.xml --network-console
    Executable: /long/path/cmake_build/bin/supertuxkart
 Control Group: /user.slice/user-0.slice/session-2048.scope
          Unit: session-2048.scope
         Slice: user-0.slice
       Session: 2048
     Owner UID: 0 (root)
       Boot ID: 45a9495d184d43629b687dff497f6aed
    Machine ID: 12b0bc3f08ae4afa8dafe38cc36902b7
      Hostname: stkserver
       Storage: /var/lib/systemd/coredump/core.supertuxkart.0.45a9495d184d43629b687dff497f6aed.25929.1578336165000000.lz4
       Message: Process 25929 (supertuxkart) of user 0 dumped core.

                Stack trace of thread 25929:
                #0  0x0000555f7f2cd3bb n/a (/long/path/cmake_build/bin/supertuxkart)
                #1  0x00000000ffffffff n/a (n/a)

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Reading symbols from /long/path/cmake_build/bin/supertuxkart...(no debugging symbols found)...done.
[New LWP 25929]
[New LWP 25930]
[New LWP 25940]
[New LWP 25941]
[New LWP 25942]
[New LWP 25943]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./supertuxkart --server-config=/long/path/frankfurt_test.xml'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000555f7f2cd3bb in Scripting::Kart::getLocation(int) ()
[Current thread is 1 (Thread 0x7ff4b1d5d780 (LWP 25929))]
(gdb) bt
#0  0x0000555f7f2cd3bb in Scripting::Kart::getLocation(int) ()
#1  0x0000555f7f692e68 in X64_CallFunction(unsigned long const*, int, unsigned long (*)(), unsigned long&, bool) ()
#2  0x0000555f7f69330b in CallSystemFunctionNative(asCContext*, asCScriptFunction*, void*, unsigned int*, void*, unsigned long&, void*) ()
#3  0x0000555f7f691fd7 in CallSystemFunction(int, asCContext*) ()
#4  0x0000555f7f653074 in asCContext::ExecuteNext() ()
#5  0x0000555f7f654dc0 in asCContext::Execute() ()
#6  0x0000555f7f2c9eac in Scripting::ScriptEngine::runFunction(bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::function<void (asIScriptContext*)>, std::function<void (asIScriptContext*)>) ()
#7  0x0000555f7f2cabe7 in Scripting::ScriptEngine::runFunction(bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::function<void (asIScriptContext*)>) ()
#8  0x0000555f7f3fc4c2 in TrackObjectPresentationActionTrigger::onTriggerItemApproached(int) ()
#9  0x0000555f7f3dbadb in CheckTrigger::trigger(unsigned int) ()
#10 0x0000555f7f3da720 in CheckStructure::update(float) ()
#11 0x0000555f7f3d9703 in CheckManager::update(float) ()
#12 0x0000555f7f3e69b0 in Track::update(int) ()
#13 0x0000555f7f1e3184 in LinearWorld::update(int) ()
#14 0x0000555f7f1fa091 in World::updateWorld(int) ()
#15 0x0000555f7f254191 in RaceEventManager::update(int, bool) ()
#16 0x0000555f7f1d3210 in MainLoop::run() ()
#17 0x0000555f7efd8b6d in main ()
(gdb)