extension>manage>manage causes 500 JForm::getInstance could - Joomla! Forum - community, help and support

hi upgraded 1 of sites manage latest version of joomla 3.5.1 , have following errors when click on extension> manage > manage
500 jform::getinstance not load file

and if go extension > manage >update following in text.


install
update
manage
discover
database
warnings
install languages
update sites

fatal error: call member function getgroup() on non-object in /home/harlowev/public_html/sickamps.co.uk/layouts/joomla/searchtools/default/bar.php on line 28

can advise on problem? please gentle newbie when comes understanding joomla. in advance.

hi, ich have same problem since updating on 3.5.1.

fehler
jform::getinstance not load file
when want woork on modules.

hope knows do...not reinstall backup...

karl

chris_cb_uk wrote:hi upgraded 1 of sites manage latest version of joomla 3.5.1 , have following errors when click on extension> manage > manage
500 jform::getinstance not load file

and if go extension > manage >update following in text.


install
update
manage
discover
database
warnings
install languages
update sites

fatal error: call member function getgroup() on non-object in /home/harlowev/public_html/sickamps.co.uk/layouts/joomla/searchtools/default/bar.php on line 28

can advise on problem? please gentle newbie when comes understanding joomla. in advance.