As seen on https://forum.glpi-project.org/viewtopic.php?id=283333 @cconard96 asked to open a Bug report who hasn't been done yet? Operating system: Linux p1glpi1a 6.1 ...

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the publish plugin. More info has been written to the DokuWiki error log.