Hello, i am unable to login in on of my Themler template. A blank popup appear and disappear. No login possibility. Thanks to help.

Добрый день, не могу открыть редактор тем Themler на joomla 3.9 Возникает ошибка 500. Но, на joomla 3.8 открыть редактор тем Themler можно. Что не так, подскажите?

Hello, I have updated to 3.9. The Themler Onlie version can not be opened afterwards. Error: Fatal error: require_once (): Failed opening required...

After Update to Joomla 3.9 on ALL(!) Websites if i try to start the Theme Editor. Fatal error: require_once(): Failed opening required '/administrator/includes/toolbar.php'...

Hello, I would like to know if an update of themler will edit themler since joomla, because since the last version of joomla it is no longer possible to enter and edit themler, there is a blank page.