Hi, I wanted to launch minecraft with forge on version 1.12.2, but for some unknown reason I thought the window appeared (screenshots below).
When I pressed the "start aniway" button, the launcher only closed and nothing happened.
But at the same time, I can run vanilla versions without forge, and this is strange. Could you help me? 
p.s I would like to mention that everything worked before the launcher update

(I used Google translator, the translation may be incorrect)