The launcher 2.1.13829 (latest stable version of launcher for Linux) only open versions from 1.13 to 1.15.2.
When I try open another version (for example 1.12.2 or 1.8.9), this error appears:
"Game crashed
An unexpected issue occurred and the game has crashed. We're sorry for the inconvenience."
Comments 2
Thank you for your report!
However, this issue is Invalid.
Your Minecraft version is outdated. We currently take issues for version 1.15.2 and the latest snapshot.
Please update to the latest version as it includes the newest fixes. If you still have this problem after updating, then please create a new issue.
In case of a game crash, please also attach the crashlog.
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I don't know if I'm allowed to write this, if not, it wouldn't be a problem to get him out of here. I saw several people with this same problem and I would like them to know this:
I managed to solve it, it was a silly thing. For those with the same problem (Ubuntu 20.04 with Java 11):
→ Check the version of java (if version 11, continue): #java -version
→ Remove the java (if you have the best synaptic)
→ Test if the java has been removed: #java -version
→ Remove the /opt/ minecraft-launcher folder: #rm -rf /opt/minecraft*
→ Install openjdk 8 or java 8: #sudo apt install openjdk-8-jre
→ Download the launcher from the official minecraft website at .tar.gz or access this link: (https://launcher.mojang.com/download/Minecraft.tar.gz)
→ Unzip the .tar.gz file: #tar -zxvf Minecraft.tar.gz
→ Move the "minecraft-launcher" folder to /opt/: #sudo mv minecraft-launcher /opt/
→ In the /opt/ minecraft-launcher folder, run minecraft-launcher
If you don't have the /opt folder create with: #sudo mkdir /opt
To go to a directory use: #cd "directory"