Fatal error: Uncaught RuntimeException: Opening file for writing failed on error fopen(/Applications/XAMPP/xamppfiles/htdocs/grav/user/config/security. yaml): failed to open stream: Permission denied in /Applications/XAMPP/xamppfiles/htdocs/grav/vendor/rockettheme/toolbox/ File/src/File.php:202 Stack trace: #0 /Applications/XAMPP/xamppfiles/htdocs/grav/vendor/rockettheme/toolbox/ File/src/File.php(316): RocketTheme\Toolbox\File\File->lock() #1 /Applications/XAMPP/xamppfiles/htdocs/grav/system/src/Grav/Common/Conf ig/Setup.php(250): RocketTheme\Toolbox\File\File->save(Array) #2 /Applications/XAMPP/xamppfiles/htdocs/grav/system/src/Grav/Common/Conf ig/Setup.php(175): Grav\Common\Config\Setup->check(Object(RocketTheme\Toolbox\ResourceLoc ator\UniformResourceLocator)) #3 /Applications/XAMPP/xamppfiles/htdocs/grav/system/src/Grav/Common/Grav .php(213): Grav\Common\Config\Setup->init() #4 /Applications/XAMPP/xamppfiles/htdocs/grav/index.php(38): Grav\Common\Grav->proces s() #5 {main} thrown in /Applications/XAMPP/xamppfiles/htdocs/grav/vendor/rockettheme/toolbox/ File/src/File.php on line 202
Installing locally xampp on mac php version 7, pls help ...