undefines, warnings, cannot change module layout in studio

Warning: Declaration of ViewProperty::init() should be compatible with SugarView::init($bean = NULL, $view_object_map = Array) in C:\xampp\htdocs\suitecrm\modules\ModuleBuilder\views\view.property.php on line 150

whenever I attempt to make layout changes in studio to the accounts module, I get this warning:

It would help you gave us some information about your system. Which versions of OS, PHP, SuiteCRM…

On Xampp you always have to turn off error_reporting in php.ini (see online for instructions).

If you have “undefineds” in many different places, normally that’s a permissions problem. Make sure that PHP can read and write to the appropriate directories.