What steps will reproduce the problem?
1. Log on.
2. Head to the Nexus/Oculus area and/or enter those instances.

What is the expected output? What do you see instead?
Expected: no problems. Instead: an error is randomly thrown.

What version of the product are you using?
r12

Do you have an error log of what happened?
MalygosHelper-$Revision: 2 $\\MalygosHelper.lua:490 attempt to index field 'data' (a nil value)\nMalygosHelper-$Revision: 2 $\\MalygosHelper.lua:370 in function `?'\nCallbackHandler-1.0-3 (Ace3):146: in function <...Ons\\Ace3\\CallbackHandler-1.0\\CallbackHandler-1.0.lua:146\n<string>:\"safecall Dispatcher[12]\":4: in function <[string \"safecall Dispatcher[12]\"]:4>\n<in C code>: ?\n<string>:\"safecall Dispatcher[12]\":13: in function `?'\nCallbackHandler-1.0-3 (Ace3):91: in function `Fire'\nAceEvent-3.0-3 (Ace3):73: in function <Interface\\AddOns\\Ace3\\AceEvent-3.0\\AceEvent-3.0.lua:72\n\n