Sharepoint 2010 External Content Type list?

Whenever you see a correlation ID, then you should be able to get more information on the failure in the ULS output . Search for that Correlation ID in the logs and you should get plenty of additional information.

You need to check selection of primary key of sql tables while retrieving data to list.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.