WowAce

What steps will reproduce the problem?
1. Joining a party or raid

What is the expected output? What do you see instead?
List of party members, but I see only one (if I joined party) or some ppl from raid (if I join raid).
I can mouseover hidden members (and i see animation of mousover - transparent yellow borders), also I can select they, but I can't see healthbar, healthtext etc.

What version of the product are you using?
r688-r694, this problem still here. It's happen not often, but heppen

Do you have an error log of what happened?
Here no Lua error, only yellow message in chat window: Interface error caused by modification (not sure how it exactly on English)

Please provide any additional information below.
I don't know what exactly happens, just joining to party or raid, or someone joining to party and not appers.