Unable to add teardrop

Description

When I tried to add tears, the program crashed Encode.kicad_pcb

Steps to reproduce

KiCad Version

Application: KiCad PCB 编辑器 (64-bit)

Version: (6.99.0-1267-gf218da6ea5), release build

Libraries:
	wxWidgets 3.1.5
	FreeType 2.11.1
	HarfBuzz 2.8.2
	FontConfig 2.13.1
	libcurl/7.78.0-DEV Schannel zlib/1.2.11

Platform: Windows 10 (build 22000), 64-bit edition, 64 bit, Little endian, wxMSW

Build Info:
	Date: Mar 10 2022 19:17:18
	wxWidgets: 3.1.5 (wchar_t,wx containers)
	Boost: 1.76.0
	OCC: 7.6.0
	Curl: 7.78.0-DEV
	ngspice: 36
	Compiler: Visual C++ 1928 without C++ ABI

Build settings:
	KICAD_USE_OCC=ON
	KICAD_SPICE=ON