Most of my drawing are 12-23 tabs long, I demensioneverything to be nice and easy to read. But sometimes when I closethe drawing even though I haven't made any additional changes tothe model my demnsions shift around, sometimes my notes to do, sodemensions that where once in uniform are now all over my part.What cuases this and how do I stop it?

sw 2008 3.1SolidworksDrawings And Detailing