Composer: Error in vendor>composer>autoload_static.php - Laravel 5.3.26

• Laravel Version: 5.3.26
• PHP Version: 5.6.28
• Database Driver & Version: MySQl
• Description: Error in vendor>composer>autoload_static.php - Laravel 5.3.26

public static function getInitializer(ClassLoader $loader)
    {
        return \Closure::bind(function () use ($loader) {
            $loader->prefixLengthsPsr4 = ComposerStaticInit03e973073eea0174c457e95793a7c992::$prefixLengthsPsr4;
            $loader->prefixDirsPsr4 = ComposerStaticInit03e973073eea0174c457e95793a7c992::$prefixDirsPsr4;
            $loader->prefixesPsr0 = ComposerStaticInit03e973073eea0174c457e95793a7c992::$prefixesPsr0;
            $loader->classMap = ComposerStaticInit03e973073eea0174c457e95793a7c992::$classMap;

        }, null, ClassLoader::class);
    }

several times i ran composer dump-autoload command then also the error remains same.
How to fix this error.

Thanks in Advance