Fatal error: Cannot declare class Because the name is already in use

I Try to Encode a Files from my Web Project for Example , but I see the Error. How To Fix the Error ?

Fatal error: Cannot declare class ComposerAutoloaderInit9e35ae4bbbc684491a441aef51b4d500, because the name is already in use  in [Files] on line 5 

I Use PHP v7.4
Laravel 6
Composer 2.x
Nginx Web Server
CentOS 7 via VBox