( ! ) Fatal error: Call to undefined function Think\C() in D:\wwwroot\ThinkPHP\Library\Think\Think.class.php on line 304
Call Stack
#	Time	Memory	Function	Location
1	0.0000	332496	{main}( )	..\index.php:0
2	0.0000	375488	require( 'D:\wwwroot\ThinkPHP\ThinkPHP.php' )	..\index.php:28
3	0.0000	496408	Think\Think::start( )	..\ThinkPHP.php:97
4	0.0000	529224	load ( )	..\Think.class.php:42
5	0.0000	529424	Think\Storage::__callstatic( )	..\Think.class.php:42
6	0.0000	529704	call_user_func_array:{D:\wwwroot\ThinkPHP\Library\Think\Storage.class.php:37} ( )	..\Storage.class.php:37
7	0.0000	529888	Think\Storage\Driver\File->load( )	..\Storage.class.php:37
8	0.0000	531224	Think\Think::appError( )	..\Storage.class.php:80
9	0.0000	531600	Think\Think::trace( )	..\Think.class.php:257
10	0.0000	532008	Think\Think::fatalError( )	..\Think.class.php:0
11	0.0000	550816	Think\Think::halt( )	..\Think.class.php:273