Using custom mesh

[MRMixedReality]

I'm using a triangulated box with tetrahedrons generated by TetWild, but I get the following error when executing AnisoFracture:

FATAL Received fatal signal: SIGSEGV(11)

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1 ./anisofracture ZIRAN::signalHandler(int)+0x9e [0x55b2640d975e]
2 /lib/x86_64-linux-gnu/libc.so.6 +0x46210 [0x7f917462b210]
3 ./anisofracture ZIRAN::MpmGrid<double, 3, 2>::pollute(std::vector<Eigen::Matrix<double, 3, 1, 0, 3, 1>, Eigen::aligned_allocator<Eigen::Matrix<double, 3, 1, 0, 3, 1> > > const&, double, int, int, Eigen::Matrix<double, 3, 1, 0, 3, 1> const&)+0x6c6 [0x55b2645b0d86]
4 ./anisofracture ZIRAN::MpmSimulationBase<double, 3>::sortParticlesAndPolluteGrid()+0x223 [0x55b2645d0993]
5 ./anisofracture ZIRAN::MpmSimulationBase<double, 3>::reinitialize()+0x6ea [0x55b2645d9cda]
6 ./anisofracture main+0x12d5 [0x55b264029105]
7 /lib/x86_64-linux-gnu/libc.so.6 __libc_start_main+0xf3 [0x7f917460c0b3]
8 ./anisofracture _start+0x2e [0x55b26402b14e]

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