Fatal error: Out of memory (allocated 2097152) (tried to allocate 32768 bytes) in D:\wwwroot\www.jiulongxcl.com\thinkphp\library\think\App.php on line 643

Fatal error: Uncaught Error: Class 'think\App' not found in D:\wwwroot\www.jiulongxcl.com\thinkphp\library\think\exception\Handle.php:44 Stack trace: #0 D:\wwwroot\www.jiulongxcl.com\thinkphp\library\think\Error.php(47): think\exception\Handle->report(Object(think\exception\ErrorException)) #1 D:\wwwroot\www.jiulongxcl.com\thinkphp\library\think\Error.php(88): think\Error::appException(Object(think\exception\ErrorException)) #2 [internal function]: think\Error::appShutdown() #3 {main} thrown in D:\wwwroot\www.jiulongxcl.com\thinkphp\library\think\exception\Handle.php on line 44