Fatal error: Out of memory (allocated 786432) (tried to allocate 49152 bytes) in C:\phpstudy_pro\WWW\www.d3f.com\system\library\think\App.php on line 412

Fatal error: Class 'think\App' not found in C:\phpstudy_pro\WWW\www.d3f.com\system\library\think\exception\Handle.php on line 39