PCB editor crashes while importing Altium PcbDoc

Description

PCB editor version 8.0.0 crashes while importing PcbDoc from Altium.

With the pcb editor version 7.0.0 the crash does not happen but for the same file a warning is displayed: "Altium layer (70) has no KiCad equivalent. It has been moved to KiCad layer Eco1_User."

Steps to reproduce

1. open pcb editor
2. goto file/import and select Non-KiCad Board File
3. select the Altium .PcbDoc file and open it (unfortunately i can not share the file)
4. After loading polygons the pcb editor crashes

KiCad Version

Application: KiCad PCB Editor x64 on x64

Version: 8.0.0, release build

Libraries:
	wxWidgets 3.2.4
	FreeType 2.12.1
	HarfBuzz 8.3.0
	FontConfig 2.14.2
	libcurl/8.5.0-DEV Schannel zlib/1.3

Platform: Windows 10 (Erzeugungsversion 19045), 64-bit Edition, 64 bit, Little endian, wxMSW

Build Info:
	Date: Feb 23 2024 02:24:15
	wxWidgets: 3.2.4 (wchar_t,wx containers)
	Boost: 1.83.0
	OCC: 7.7.1
	Curl: 8.5.0-DEV
	ngspice: 42
	Compiler: Visual C++ 1936 without C++ ABI

Build settings: