Game Crashing 1.12

My game is constantly crashing and is starting to become frustrating. I hope you can fix as I can have an enjoyable experience with my friends

21:56:04 launcher Preparing to launch minecraft client for 1.12.1
21:56:05 launcher Checking installations.
21:56:05 launcher Minecraft client 1.12.1 is ready to start.
21:56:05 launcher Starting!
21:56:05 launcher Using default game log configuration client-1.12.xml (outputs XML)
21:56:07 bib Setting user: Mishibla
21:56:09 bib LWJGL Version: 2.9.4