Aloha,

just tried to install an extension, which seems to throw an error on install, but there is only an error in Isis displayed.

Notice: Undefined property: JDocumentError::$params in /var/www/html/J30_installtest/administrator/templates/isis/error.php on line 114 Call Stack: 0.0293 276280 1. {main}() /var/www/html/J30_installtest/administrator/index.php:0 1.1214 7247872 2. JAdministrator->dispatch() /var/www/html/J30_installtest/administrator/index.php:54 1.3401 9085944 3. JError::raiseError() /var/www/html/J30_installtest/administrator/includes/application.php:169 1.3402 9086152 4. JError::raise() /var/www/html/J30_installtest/libraries/legacy/error/error.php:242 1.3605 9145464 5. JError::throwError() /var/www/html/J30_installtest/libraries/legacy/error/error.php:168 1.3607 9146688 6. call_user_func_array() /var/www/html/J30_installtest/libraries/legacy/error/error.php:206 1.3607 9146720 7. JError::handleCallback() /var/www/html/J30_installtest/libraries/legacy/error/error.php:206 1.3608 9146872 8. call_user_func() /var/www/html/J30_installtest/libraries/legacy/error/error.php:744 1.3608 9146904 9. plgSystemRedirect::handleError() /var/www/html/J30_installtest/libraries/legacy/error/error.php:744 1.3608 9147784 10. JError::customErrorPage() /var/www/html/J30_installtest/plugins/system/redirect/redirect.php:114 1.3621 9178544 11. JDocumentError->render() /var/www/html/J30_installtest/libraries/legacy/error/error.php:775 1.3622 9182376 12. JDocumentError->_loadTemplate() /var/www/html/J30_installtest/libraries/joomla/document/error/error.php:107 1.3699 9246632 13. require_once('/var/www/html/J30_installtest/administrator/templates/isis/error.php') /var/www/html/J30_installtest/libraries/joomla/document/error/error.php:135 Fatal error: Call to a member function get() on a non-object in /var/www/html/J30_installtest/administrator/templates/isis/error.php on line 114 Call Stack: 0.0293 276280 1. {main}() /var/www/html/J30_installtest/administrator/index.php:0 1.1214 7247872 2. JAdministrator->dispatch() /var/www/html/J30_installtest/administrator/index.php:54 1.3401 9085944 3. JError::raiseError() /var/www/html/J30_installtest/administrator/includes/application.php:169 1.3402 9086152 4. JError::raise() /var/www/html/J30_installtest/libraries/legacy/error/error.php:242 1.3605 9145464 5. JError::throwError() /var/www/html/J30_installtest/libraries/legacy/error/error.php:168 1.3607 9146688 6. call_user_func_array() /var/www/html/J30_installtest/libraries/legacy/error/error.php:206 1.3607 9146720 7. JError::handleCallback() /var/www/html/J30_installtest/libraries/legacy/error/error.php:206 1.3608 9146872 8. call_user_func() /var/www/html/J30_installtest/libraries/legacy/error/error.php:744 1.3608 9146904 9. plgSystemRedirect::handleError() /var/www/html/J30_installtest/libraries/legacy/error/error.php:744 1.3608 9147784 10. JError::customErrorPage() /var/www/html/J30_installtest/plugins/system/redirect/redirect.php:114 1.3621 9178544 11. JDocumentError->render() /var/www/html/J30_installtest/libraries/legacy/error/error.php:775 1.3622 9182376 12. JDocumentError->_loadTemplate() /var/www/html/J30_installtest/libraries/joomla/document/error/error.php:107 1.3699 9246632 13. require_once('/var/www/html/J30_installtest/administrator/templates/isis/error.php') /var/www/html/J30_installtest/libraries/joomla/document/error/error.php:135