https://forums.autodesk.com/t5/inventor-engineer-to-order-read/invalid-root-design-basepart/m-p/3644560#M1985 <P>I am fairly new to ETO, and am taking over code previously created by someone else.</P><P>&nbsp;</P><P>I used to be able to open the assembly and work no problem, today when open it, I get an error as shown in the attached picture.</P><P>&nbsp;</P><P>I am currently unable to to do anything to bypass this issue.</P> Wed, 03 Oct 2012 13:36:17 GMT david.matsalla 2012-10-03T13:36:17Z https://forums.autodesk.com/t5/inventor-engineer-to-order-read/invalid-root-design-basepart/m-p/3644560#M1985 <P>I am fairly new to ETO, and am taking over code previously created by someone else.</P><P>&nbsp;</P><P>I used to be able to open the assembly and work no problem, today when open it, I get an error as shown in the attached picture.</P><P>&nbsp;</P><P>I am currently unable to to do anything to bypass this issue.</P> Wed, 03 Oct 2012 13:36:17 GMT https://forums.autodesk.com/t5/inventor-engineer-to-order-read/invalid-root-design-basepart/m-p/3644560#M1985 david.matsalla 2012-10-03T13:36:17Z https://forums.autodesk.com/t5/inventor-engineer-to-order-read/invalid-root-design-basepart/m-p/3644950#M1986 <P>Although I don't know what caused this problem, you can start a new IAM, and it will prompt you for the root design to use. &nbsp;You can then tell it to use your own root design.</P> <P>&nbsp;</P> <P>Alternatively, if the "Intent Model Browser" is showing the tree at all, on the root's right-click menu there is a "change root design" command, that you can use on the old file ... but since I don't know what happened to it, you might be better off working with a new one. &nbsp;</P> Wed, 03 Oct 2012 16:37:52 GMT https://forums.autodesk.com/t5/inventor-engineer-to-order-read/invalid-root-design-basepart/m-p/3644950#M1986 Jon.Balgley 2012-10-03T16:37:52Z