double checking

Program received signal SIGSEGV, Segmentation fault.
FilePickerImGuiUI::ShowFilePicker (Mode=..., UsePath=..., UseFilename=...,
    additionalParameters=additionalParameters@entry=0x0)
    at /media/home2/vivienne/Urho3D-Hangars-MyFork/Source/AlphaEditor/Core/ImGuiUI/Window/FilePickerImGuiUI.cpp:286
286                     bool isGroup = (*additionalParameters).Find("IS_EXPORT_GROUP")->second_.GetBool();
(gdb) Quit