I have seen this now quite a good number of times.
Using Documentum Composer for Documentum 6.5, I created a custom aspect Module and aspect type. Once done I deployed it to Documentum Content Server and everything worked like a charm. However, later on I edited my aspectType to include a new attribute and then Installed the Documentum Composer project back to Documentum Content Server. Now when I called my aspect's new property I was always getting a Bad Attribute Error message indicating that the changes to Aspect attributes have not yet been picked up either on my client side or on my server side. I already deleted the cache which is present on the client side's calling JVM however, I want to know if there exist any other cache either on Documentum Composer side, client side, server side which could be the culprit for this issue?