[Crash]: in string handling

[James103]

Version of OpenTTD

ba95764 on Windows 10, 64-bit (via Steam)

Steps to reproduce

Not fully sure. I just clicked the scroll bar in the AI/GS debug window at the time of crash.
Will update if I can find a way to reproduce the crash.

Upload crash files

crash20230811051227.zip

The depicted script is used for my own testing purposes.
If needed, the version in use at the time of crash is attached: TestGS.zip

[glx22]

 	[Code externe]	
 	ucrtbase.dll!raise()	Inconnu
 	ucrtbase.dll!abort()	Inconnu
 	openttd.exe!FatalErrorI(const std::string & str) Ligne 141	C++
 	openttd.exe!AssertFailedError(int line, const char * file, const char * expression) Ligne 20	C++
>	[Cadre en ligne] openttd.exe!StringParameters::GetParam(unsigned __int64) Ligne 177	C++
 	openttd.exe!HaveDParamChanged(const std::vector<StringParameterBackup,std::allocator<StringParameterBackup>> & backup) Ligne 202	C++
 	openttd.exe!UpdateTextEffect(unsigned __int64 te_id, unsigned int msg) Ligne 70	C++
 	openttd.exe!LoadUnloadVehicle(Vehicle * front) Ligne 1918	C++
 	openttd.exe!LoadUnloadStation(Station * st) Ligne 1968	C++
 	openttd.exe!CallVehicleTicks() Ligne 954	C++
 	openttd.exe!StateGameLoop() Ligne 1410	C++
 	openttd.exe!GameLoop() Ligne 1533	C++
 	openttd.exe!VideoDriver::GameLoop() Ligne 39	C++
 	openttd.exe!VideoDriver::GameThread() Ligne 48	C++
 	openttd.exe!StartNewThread::__l3::<lambda>(const char * name, void(*)(VideoDriver *) && F, VideoDriver * && <A_0>) Ligne 64	C++
 	[Code externe]	

Not related to scripts at all.