Here is how to fix forge crashing!
Please NOTE! Do this after you have followed this tutorial.
https://ashcraftrp.wixsite.com/ashcraft/forums/information/installing-pixelmon
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1. Click your 'Windows' key then type in '%appdata%'

2. Once you have done this click '.technic'

3. Once you have clicked '.technic' click 'modpacks' then click 'instant-pixelmon-20'


4. Then once you have selected 'instant-pixelmon-20' click 'config'

5. Once inside 'config' right click 'splash.properties' then click 'Open'

6. Once you have clicked open you'll see this screen. Click 'Select a program from a list of installed programs'

7. After that click 'Ok' then select 'notepad'

8. Once you have clicked 'Notepad' click 'Ok' then you should see this screen.

9. Finally when you are on this screen look for 'enabled=true' then change it from 'true' to 'false' make sure you do not use any CAPS! Or this will not work! Then after you have done this click 'File' then 'save' and then load up your modpack and it will not crash!

Please comment if you have any issues with this!