Fatal error when accessing Joomla Update Componen - Joomla! Forum - community, help and support

hello,

i'm using joomla 3.0.1 , want update newest version.
when try access joomla update component via components menu in administrator area,
i following error in server logs (page blank):

code: select all

php fatal error:  call member function get() on non-object in /administrator/templates/isis/error.php on line 114, referer: http://example.com/administrator/index.php

fyi, line

code: select all

if ($this->params->get('headercolor'))

.
does have idea of how fix problem?

for know, rest of administrator area works without problems @ all.

cheers

saschispatzi

remove

code: select all

$this->

than works.

before upgrade --> make backup-->disable "remember me" plugin , upgrade--> enable remember me plugin again

leo