( ! ) 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	332432	{main}( )	..\index.php:0
2	0.0000	375424	require( 'D:\wwwroot\ThinkPHP\ThinkPHP.php' )	..\index.php:28
3	0.0000	496344	Think\Think::start( )	..\ThinkPHP.php:97
4	0.0000	529160	load ( )	..\Think.class.php:42
5	0.0000	529360	Think\Storage::__callstatic( )	..\Think.class.php:42
6	0.0000	529640	call_user_func_array:{D:\wwwroot\ThinkPHP\Library\Think\Storage.class.php:37} ( )	..\Storage.class.php:37
7	0.0000	529824	Think\Storage\Driver\File->load( )	..\Storage.class.php:37
8	0.0000	531168	Think\Think::appError( )	..\Storage.class.php:80
9	0.0000	531552	Think\Think::trace( )	..\Think.class.php:257
10	0.0000	531968	Think\Think::fatalError( )	..\Think.class.php:0
11	0.0000	550768	Think\Think::halt( )	..\Think.class.php:273