Wario game

Guys i need help i just redid EVERYTHING that i had alr done because like the character wasnt jumping and when i played the game it would just skip to the level scene and not the start menu but my character is still stuck it just wont jump no matter what i do i even asked ai for help but after trouble shooting its still not working i need help to make the guy be able to jump

I’ve made quite some progress but today i am stopping here because i don’t have time for now and one more thing i tried to redownload this picture with the help of gemini to yk like clear the white background but it keeps reappearing does anyone know how to fix it

Making my first ever Game using godot