When i make projects with my thumbnail,in the project view,it is still there,but in the costume editor,nope! not in there! Please fix da glitch!!!!!!!!!!!!!!!!!!!!!!!!
My browser / operating system: Windows 11 , Chrome 150.0.0.0, Flash 32.0 (release 0)

Noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooh

Hi there! Can you please explain it calmly and more clear?