If Minecraft Game has crashed with error An unexpected issue occurred and the game has crashed with Exit Code: 0, then follow these suggestions to fix the issue.

Fix #2: Check for game updates. Keeping your Minecraft game updated is another basic stuff that may help fix “Internal Exception Java.IO.IOException” error.

Minecraft Error Code 1 in the Java Edition results from various issues like insufficient RAM, corrupted game files, and outdated drivers. Players can fix this error through multiple steps.