I had the same problem occasionally (more so when version 2 first came out and had loads of bugs). It happens with one particular scene I'm working on which has lots of small objects and reflective surfaces. The message reads as yours, then 'severity #2' (I think), and then one small item has no texturing. Haven't worked out why yet. You could try to re-load the texture direct from the texture file in the surfaces tab - don't know if that will work, haven't tried myself yet, just an idea. You could also perhaps report it to Daz via their contact page or when you're in D|S click on 'Help' and select 'Report a Bug'. That might get some results. If you want to remove a texture, go to the surfaces tab and then under 'Diffuse' click on the drop down menu that is located just under the Diffuse colour bar and select 'None'. By the same method you can add whatever texture you like to any object. Hope you get it resolved ok:)

Beginners tutorials for Bryce

Bryce Arena