log into world impossible. solo/multi/realm

Put the summary of the bug you're having here

*What I expected to happen was to enter my realm or my solo game
*What actually happened was minecraft laucher crashed as soon as i get into my world
Describe what happened here

Steps to Reproduce:
1. open minecraft
2. select either solo or realm
3. choose a world
4. wait for it to load the world
5. see only cloud and sky for less than a second
6. crash