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 ...

Go to the Java/Minecraft tab from the new window that opens. The first option, "Maximum Memory/RAM," can be altered by using the two arrows beside it to change the memory allocation (in megabytes).

When one plays Minecraft, the official launcher of the game automatically allocates a certain amount of RAM to a version. Whenever this version opens on a device, the allocated RAM gets occupied.

If you're interested in how to allocate more RAM to Minecraft or your Minecraft server, have a look at our written tutorial.