Order Bot "Synthesize" unable to select multiple HQ ingredients

The "Synthesize" tag is unable to select all ingredients when there are only HQ ingredients available after the first one, which then fails to craft the item.

Full log:
View attachment 36676 2015-07-20 13.51.txt

Relevant portion:

Code:

[17:52:46.306 V] [Poi.Clear] Reason: Current behavior changed to Synthesize: LineNumber: 184, IsDone: False, MinimumCp: 0, RecipeId: 586, UseCR: False, RequiredSkills: null, HQMats: null, HighPriority: False, InCombat: False, QuestId: 0, StepId: 0, PostCombatDelay: 0, QuestName: null, IsDoneCache: False, Behavior: TreeSharp.ActionRunCoroutine, .
[17:52:46.306 D] Replaced hook [ProfileOrderBehavior_Hook] e30c90e3-fb2d-4c32-b7c0-c9ecccdb0648
[17:52:47.866 N] [Synthesize] Cannot craft, perhaps we are out of materials?
[17:52:47.866 N] Stopping the bot. Reason:[Synthesize] Cannot craft, perhaps we are out of materials?

Profile used:
View attachment Weaver 30 Velveteen Robe.xml

 

It works if the HQMats property/argument is always defined for every ingredient, but not if it is null for any of them. Can we get a null check that defaults it to -1 (or -2, whichever is more reliable) when undefined?