Dear All, Like this post https://www.howtoforge.com/communit...sites-due-to-ispc-mixing-them-together.70095/ we have multiple problems with CMS (Joomla) hosted in the same server. In fact, one of the customer site works, and mutiple others website are down (with the same error message). After a short review, it seems that others website try to open incorrect path (same error in the previous link). When we change something (just change some parameter under ISPConfig ) on one broken website, it go on, but the previous working site goes down. This is very frustating, because no website reference a hardlink (we search under the database, and the config files). The workaround we found, was to disabled the openbasedir under ISPConfig.