I have a site running Lumiere on Gantry 4 and want to upgrade it to Kraken which requires Gantry 5.
I installed the standalone template and then tried to install Gantry 5 but I get an error:
Fatal error: Call to undefined method JInstallerAdapterPackage::getManifest() in /home/domainfolder/private/tmp/install_561ac4568d66d/install.php on line 75
Is it possible to have both running side by side during migration?
Thanks,
F.
SOLUTION: Upgrade to Joomla 3.4.4 - Anything less than that will give you an error.