Warning: require_once(PEAR/ErrorStack.php): Failed to open stream: No such file or directory in C:\Apache24\htdocs\cw\vendor\pear\archive_tar\tests\phpt_test.php.inc on line 5

Fatal error: Uncaught Error: Failed opening required 'PEAR/ErrorStack.php' (include_path='.;C:\php\pear') in C:\Apache24\htdocs\cw\vendor\pear\archive_tar\tests\phpt_test.php.inc:5 Stack trace: #0 C:\Apache24\htdocs\cw\vendor\pear\archive_tar\tests\setup.php.inc(3): require_once() #1 {main} thrown in C:\Apache24\htdocs\cw\vendor\pear\archive_tar\tests\phpt_test.php.inc on line 5