I had this WASM crash when I clicked the FPLN button on the 2nd MCDU.
To reproduce
Load at gate
Power on aircraft (Battery, GPU)
Taxi and Takeoff as Usual
Click FPLN button on 2nd MCDU
Systems freeze
Information
Aircraft: A350-900
Simulator: MSFS24
Navdata Method: NAVIGRAPH
OFP: Not required; happens on any route
Specs: Intel i5 14400F, RTX 4060 TI, 32GB RAM
WASM: Error during MFD_gauge_draw execution. Error code : 0xc0000005