05/08/2013 16:32:15.99 powershell (0x20A0) 0x310C SharePoint Foundation Upgrade SPFeatureDefinition aj2bj ERROR Feature upgrade action 'CustomUpgradeAction.Activate404ErrorPage' threw an exception upgrading Feature 'Publishing'
(Id: 15/'22a9ef51-737b-4ff2-9346-694633fe4416') in Web 'https://site/sites/test': Object reference not set to an instance of an object. e9900477-83a6-429c-adfe-535da37010f4
Rohit Pasrija