Look in your admin's Configuration->Layout Settings (configuration_group_id = 19).
Look in your admin's Configuration->Layout Settings (configuration_group_id = 19).
No problem. What I did to make that determination was (a) to see that the configuration values were being registered for configuration_group_id = 19 and then (b) went to phpMyAdmin to view my configuration_group table to see which one is associated with that id.