crash map update?

[hiyoo11]

Call stack: Address Frame Function SourceFile 0000000140A87B18 00000001C920FE00 Map::Update+268 D:\Legion\LegionCore_7.3.5_26972\src\server\game\Maps\Map.cpp line 1061 0000000140A892F5 00000001C920FEF0 Map::UpdateLoop+365 D:\Legion\LegionCore_7.3.5_26972\src\server\game\Maps\Map.cpp line 5357 0000000140101232 00000001C920FF20 std::thread::_Invoke<std::tuple<void (__cdecl Map::*)(unsigned int),Map *,unsigned int>,0,1,2>+12 G:\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\thread line 56 00007FFD1DE5CAB0 00000001C920FF50 _o__realloc_base+60 00007FFD1E6D8364 00000001C920FF80 BaseThreadInitThunk+14 00007FFD211A5E91 00000001C920FFD0 RtlUserThreadStart+21

It doesn't happen often, but annoying.

[Elgrimm]

// update worldsessions for existing players ???

[Elgrimm]

@hiyoo11 Show me what you have written in this line map.cpp 1061

[hiyoo11]

@hiyoo11 Show me what you have written in this line map.cpp 1061

for (m_mapRefIter = m_mapRefManager.begin(); m_mapRefIter != m_mapRefManager.end(); ++m_mapRefIter)

I haven't written anything in map.cpp，so I truly have no idea what cause crash.