访问2003 adp在2007年打开并保存，现在在2003年表现得很奇怪

I inherited an access 2003 ADP file which uses sql 2000 as it's data source. This is my first access maintenance project and not thinking about the issues involved simply opened it in access 2007 on my dev machine. It of course worked and I proceeded to do the work requested. I inherited an access 2003 ADP file which uses