( ! ) Fatal error: Class 'think\App' not found in C:\wamp\www\grandtest\thinkphp\start.php on line 18
Call Stack
#TimeMemoryFunctionLocation
10.0002235304{main}( )...\index.php:0
20.0004238064require( 'C:\wamp\www\grandtest\thinkphp\start.php' )...\index.php:19

( ! ) Fatal error: Class 'think\App' not found in C:\wamp\www\grandtest\thinkphp\library\think\exception\Handle.php on line 39
Call Stack
#TimeMemoryFunctionLocation
10.0002235304{main}( )...\index.php:0
20.0004238064require( 'C:\wamp\www\grandtest\thinkphp\start.php' )...\index.php:19
30.01671719264think\Error::appShutdown( )...\Error.php:0
40.01731745112think\Error::appException( )...\Error.php:80
50.01801811296think\exception\Handle->report( )...\Error.php:43