dokuwiki\Exception\FatalException: require_once(): Failed opening required 'SCRIPTDIR/stats/サンプルサイズ/D_1群の比率を既知の比率と比較するための検出力の計算.php' (include_path='.:/usr/local/php/7.4/lib/php')
An unforeseen error has occured. This is most likely a bug somewhere.
More info has been written to the DokuWiki error log.