TypeError: dokuwiki\plugin\dw2pdf\src\Template::setContext(): Argument #2 ($id) must be of type string, null given, called in /storage/lib/plugins/dw2pdf/src/PdfExportService.php on line 153

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the dw2pdf plugin.

More info has been written to the DokuWiki error log.