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I'm new on Joomla. After installation (Joomla5 on Postgresql). I had to search for a template and installed Purity. So far so good. When I launched the site I saw the message to install the t4 framework. According to the documentation from Joomlart I installed the t4-systemplugin_2.4.1. Now the site show a basic purity site but my administrator site isn´t working anymore. Most configuration items give the message : "Call to a member function getGroup() on null" or "Call to a member function removeField() on null" . Any idea what is going on or how to solve it?

    brabant32 Hi

    You can enable debug mode + error reporting to maximum, it will show hint of where the error comes from. And you can share the error log here.

    Thnx for your quick reply.

    I don´t see an option to enable debugging. If I try the global configuration I get the error: "An error has occurred.

    42883 42883, 7, ERROR: operator does not exist: character varying = integer LINE 3: WHERE "client_id" = 0 AND "home" = 1 ^ HINT: No operator matches the given name and argument types. You might need to add explicit type casts. 

    If I try to enable the debug plugin, I get the usual message: "Call to a member function getGroup() on null" when I click the Plugins entry on the system dashboard.

      brabant32 Is your site online? You can share the URL + super admin account so I will take a look.

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      I enabled the debug mode and see this error:

      42704, 7, ERROR: unrecognized configuration parameter "lc_collate"

      It seems to be the issue from Joomla 5 with the Postgresql database, does your server support MariaDB? please try it.

      Thanks.
      The server doesn´t have MariaDB (yet) running.
      I didn´t have problems before I installed the template, so I guess it is somewhere in the T4-system plugin.
      I will try to install some other templates before I switch DBs. But first I will write my backup scripts😉

        brabant32 Let me know if you need any further help then 🙂

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