minecraft wont open

[SSlayyrr]

i am on mac os i downloded the launcher and the mod pack i want to play on. when i press play it says 1.13 is known to have isues with minecraft. i pressed continue and cancel and it hid the window and then opened the window again and never started the game. is there a way to fix this

[TerdyTheTerd]

I am assuming that is referring to the Java version. Downgrade to Java 8 or 9.