1. Spectra
  2. Friday, 12 June 2015
I'm getting this error in the admin side. I did a fresh install of Joomla 3.4.1 and installed shaper_spectra_quickstart_j3 as well as plg_system_helix_j25_j3 and now whenever I navigate in the admin panel I get an error 500: JHtmlBehavior::core not found.

If I navigate to extensions manager I get the following:

Fatal error: Call to undefined method JHtmlBehavior::core() in /var/www/vhosts/wordoneconsulting.com/caskinandbody/layouts/joomla/sidebars/submenu.php on line 12

Any help would be appreciated.
Accepted Answer
Hi,

There are some things that are not quite clear so can you please provide additional information

You said that you installed Joomla 3.4.1 and that after that you installed shaper_spectra_quickstart_j3. Is that the case? QuickStart should be installed as a normal Joomla installation and you don't need to install Joomla 3.4.1 Full package instead of it.

Can you confirm that you installed ONLY quickstart package?
  1. more than a month ago
  2. Spectra
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