WowAce

What steps will reproduce the problem?
1. Install the addon.
2. Start a monk character.
3. Try to get the tooltip from your Broker-display.

What is the expected output? What do you see instead?
The display will show nothing for HitCrit, and you get 2 errors instead the tooltip.

What version of the product are you using?
2.22.3-release

Do you have an error log of what happened?
These are the errors from BugSack:

["message"] = "Broker_HitCrit\\Broker_HitCrit-2.22.3-release.lua:2349: Usage: GetSpecializationInfo(specIndex[, isInspect[, isPet]])",
            ["time"] = "2012/09/25 05:08:04",
            ["stack"] = "<in C code>
Broker_HitCrit\\Broker_HitCrit-2.22.3-release.lua:2349: in function <Broker_HitCrit\\Broker_HitCrit.lua:2343>
(tail call): ?
<in C code>
<string>:\"safecall Dispatcher[1]\":9: in function <string>:\"safecall Dispatcher[1]\":5
(tail call): ?
Ace3-r1066\\AceAddon-3.0\\AceAddon-3.0-11.lua:543: in function \"EnableAddon\"
Ace3-r1066\\AceAddon-3.0\\AceAddon-3.0-11.lua:636: in function <Ace3\\AceAddon-3.0\\AceAddon-3.0.lua:621>
<in C code>
AddonLoader\\AddonLoader-r124-release.lua:125: in function \"LoadAddOn\"
AddonLoader-r124-release\\Conditions.lua:142: in function <AddonLoader\\Conditions.lua:132>
AddonLoader-r124-release\\Conditions.lua:157: in function <AddonLoader\\Conditions.lua:147>",

["message"] = "Broker_HitCrit\\Broker_HitCrit-2.22.3-release.lua:1172: attempt to index upvalue \"db\" (a nil value)",
            ["time"] = "2012/09/25 05:15:46",
            ["locals"] = "--snipped; if you need this, I can edit my ticket--",
            ["stack"] = "Broker_HitCrit\\Broker_HitCrit-2.22.3-release.lua:1172: in function \"OnEnter\"
StatBlockCore\\StatBlockCore-v2.73.lua:613: in function <StatBlockCore\\StatBlockCore.lua:602>",

Please provide any additional information below.
Maybe the addon doesn't know the monk class? It would xplain why it's working for every other character.