Warning: require(PorterStemmer.php): failed to open stream: No such file or directory in /www/RPGD/JBrowse1/src/dojox/editor/tests/spellCheck.php.disabled on line 2

Fatal error: require(): Failed opening required 'PorterStemmer.php' (include_path='.:/opt/lampp/lib/php') in /www/RPGD/JBrowse1/src/dojox/editor/tests/spellCheck.php.disabled on line 2