Put the summary of the bug you're having here
What I expected to happen was...:
to go to the homescreen and start my world and hopefully get mods and maps.
What actually happened was...:
I pressed play and it crashed so I pressed report mojang
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...
Mojang can't help if it has to do with mods, you probably installed the mods incorrectly, look up a tutorial on Youtube, if you can't seem to get it working after researching a bit and trying stuff, contact the mod creators, or the modpack creator.