It fetches the Java virtual machine or VM to open the application on your PC. However, if it shows the aforementioned error, the solutions are pretty straightforward.

You can try the following methods to resolve the Minecraft memory error: allocate more RAM or memory to Minecraft by starting the game using the “Java edition or Options” or “Minecraft ...

If you see Minecraft has run out of memory error, your might have to allocate more memory to Minecraft, Reduce video settings, etc.