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Warning: require(../vendor/autoload.php): failed to open stream: No such file or directory in D:\xampp\htdocs\prdk-wb-be\vendor\tecnickcom\tc-lib-unicode\examples\index.php on line 19

Fatal error: require(): Failed opening required '../vendor/autoload.php' (include_path='.;D:\xampp\php\PEAR') in D:\xampp\htdocs\prdk-wb-be\vendor\tecnickcom\tc-lib-unicode\examples\index.php on line 19