Maybe some columns outside of the list do not allow nulls and don't have defaults?

>
>I am trying to insert records (only certain fields) from one table to another and I tried the following syntax (which does not work):
>
>

>insert into MyTable1( field1, field2, field3) select field1, field2, field3 from MyTable2 
>

>
>Note that I want to insert ALL records from the MyTable2 into MyTable1.
>
>What am I doing wrong?
>
>TIA