Warning: include(/public_html/language/pdf_fonts/fireflysung.php) [function.include]: failed to open stream: No such file or directory in /public_html/libraries/tcpdf/tcpdf.php on line 1909

Warning: include() [function.include]: Failed opening '/public_html/language/pdf_fonts/fireflysung.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /public_html/libraries/tcpdf/tcpdf.php on line 1909
TCPDF error: Could not include font definition file

[attachment=0:iqu0nf6k]<!-- ia0 -->Untitled.png<!-- ia0 -->[/attachment:iqu0nf6k]

那是 Joomla! 的 PDF 文件產生功能，但你沒有把 fireflysung 中文字體檔案放到你的 Joomla! 安裝內，所以造成錯誤。