What steps will reproduce the problem?
1. rogue in group with other rogues and deadly poison applied to weapons
2.
3.

What is the expected output? What do you see instead?
With the above option selected, I should only see the deadly poison stack count, and get notification to Envenom, when I've applied 5 deadly posions, but instead I'm seeing the message too early because it's counting all the debuffs applied, not just those applied by me.

What version of the product are you using?
6.33

Do you have an error log of what happened?
not applicable

Please provide any additional information below.
I believe Cirk of Doomhammer wrote to you about a potential fix for this.  He fixed the version of the PoisonStacks mod I was using that had this same problem, and it's working fine now.