MSFS 2024 is requesting more VRAM than your GPU physically has available VRAM as indicated by the screenshot.
Is a known bug, referred to as the VRAM bug, which the MSFS 2024 developers are planning to address with the upcoming Sim Update 2.
https://forums.flightsimulator.com/t/lost-on-cpu-gpu-upgrade-path-for-msfs24-need-advice-please/702904/11?u=tenpatrol
https://forums.flightsimulator.com/t/fps-performance-vram-bug/668753
Additionally, in MSFS 2024 settings enable VSync and set 33% monitor refresh rate to help mitigate the issue.