white screen when loading mod packs(and have tried plenty of other mods too with no success)

[alawrenson]

hello II am trying to play pixelmon it looks like the mod pack downloads fine my problem is that when I press the play button the launcher closes, and I get the icon at the bottom of my screen appears but i just get a white screen and nothing happens  I've tried reinstalling the launcher modpack  game  java everything im even lunching the game with 5gb of memory so i have no idea what the issue is i have also attach my log report. if someone could help me i would be very grateful. 

techniclauncher_2021-02-06.log

[JaariAtmc]

Install and use this java instead. https://javadl.oracle.com/webapps/download/AutoDL?BundleId=242044_3d5a2bb8f8d4428bbe94aed7ec7ae784

[alawrenson]

i downloaded it but im having the same issue i even uninstalled all versions of java and then installed the one you linked and its still not working