When i Preview My Project With Physics behavior it’s Going to black Screen,
than when t try without physics behavior it’s Working so please help me

What are your events? If you open developer tools (press ctrl + shift + i) when the preview window starts, and select the console tab, are there any error messages displayed?
Hey all. As a heads up, the devs are investigating, and believe they have a fix. Follow along with this PR: Fix shared data initialization and unserializing that wasn't creating properties on the scene for Physics. by D8H · Pull Request #4310 · 4ian/GDevelop · GitHub
New GDevelop-5.0.144 Update Fixed My Problem and Thank to all friends who help me Thank so much