Hello Scott,

This might be due to the library being read-only? If you're using VSS, make sure you've checked out the library prior to creating the environment. I've had a few Homer moments with that one.

Hope that helps,
---J

>Greetings!
>
>From the BizObj Builder, when I select under Data Environment Settings, "Creates a new Data Environment", the following occurs:
>
>I enter the data environment name and select the application level data environment class libray and press "OK" and this error appears:
>
>"Input/Output Operation Failure."
>
>I've been able to get around it by adding the data environment class directly into the class library, but it sure was nice being able to do it while I was in the Business Object Builder.
>
>Anyone else have this problem? It worked fine in MM versions previous to version 8.
>
>Thanks!