J Hi

yeah i read the yellow box but where do i do that for server

so how do i fix this yes i read your messages i dont know what you mean by Start with --forceUpgrade --eraseCache how do i do that where do i do that{{ is it a button somewhere do i type it somewhere. i use aternos to host my server do i type it in console or the game. do i use the .minecraft files that came with the game. what do i do help.}}