When trying to access any Microsoft Dynamics CRM 2011 web page after applying Update Rollup 12 on top of an Update Rollup 11 Dynamics CRM Server, an error occurs:
>Crm Exception: Message: Generic SQL error., ErrorCode: -2147204784, InnerException: System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'ObjectTypeCodeName'.
Invalid column name 'ObjectTypeCodeName'.
>Crm Exception: Message: Generic SQL error., ErrorCode: -2147204784, InnerException: System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'ObjectTypeCodeName'.
Invalid column name 'ObjectTypeCodeName'.