Warning: require(./Application/_Core/ThinkPHP.php): failed to open stream: No such file or directory in D:\wwwroot\yqxhnew\index.php on line 55

Warning: require(./Application/_Core/ThinkPHP.php): failed to open stream: No such file or directory in D:\wwwroot\yqxhnew\index.php on line 55

Fatal error: require(): Failed opening required './Application/_Core/ThinkPHP.php' (include_path='.;C:\php\pear') in D:\wwwroot\yqxhnew\index.php on line 55