The GET method is not supported for route Supported methods: POST

I just have hosted a php and laravel application in linux server. its a shared hosting . I have purchsed the code and implemented the application . The company which developed the application is telling that its your hosting is not supported for GET method .

This is the response i am getting from the server .

“message”: “The GET method is not supported for route admin/store-login. Supported methods: POST.”,
“exception”: “SymfonyComponentHttpKernelExceptionMethodNotAllowedHttpException”,
“file”:

I attached the screen short that return the error .

Godaddy customer support is telling that you havev to purchase the VIrtual private Hosting .

Please any experts advice is greately appreciated in this regards,

Thanks ,
Martin .Error Screen short for better understanding

I tried godaddy customer service and application development company.both of them are telling different stories as in my hosting another couple of php and laravel application is running very well .
So please any expert can advise me to get the problem solved