I've tried to install the MetaModels-TNG with composer on Contao 2.11.17.
After the installation I get the following error:
[16-Jun-2014 17:33:27 Europe/Berlin] PHP Fatal error: Uncaught exception 'ReflectionException' with message 'Access to non-public constructor of class MultiColumnWizardHelper' thrown in /Applications/MAMP/htdocs/xxx/composer/vendor/contao-community-alliance/backports-initialize-system/src/ContaoCommunityAlliance/Contao/Backports/InitializeSystem.php on line 69
I've tried to install the MetaModels-TNG with composer on Contao 2.11.17. After the installation I get the following error: