Warning: [MapServer Error]: msSaveImageGD(): Unable to open file C:\ms4w\apps\cartoweb3/htdocs/generated/icons/demoEdit/demoEdit/edit_point_class_0.png for writing in C:\ms4w\apps\cartoweb3\coreplugins\layers\server\LayersInitProvider.php on line 182

Fatal error: Failed writing image to C:\ms4w\apps\cartoweb3/htdocs/generated/icons/demoEdit/demoEdit/edit_point_class_0.png in C:\ms4w\apps\cartoweb3\coreplugins\layers\server\LayersInitProvider.php on line 182