Data at the root level is invalid. Line 2, position 1?

What's wrong and how do I fix this? Logging in...
Buddy Sessions: 0/0
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Shared Sessions: 1/1
Attached to WoW with ID 376
Honorbuddy v2.0.0.5354 started!
Character is a level 85 Dwarf Paladin
Current zone is Twilight Highlands
New bot added!: ArchaeologyBuddy
New bot added!: Instancebuddy
New bot added!: Gatherbuddy2
New bot added!: Grind Bot
New bot added!: Questing
New bot added!: PvP
New bot added!: BG Bot [Beta]
New bot added!: Mixed Mode
New bot added!: PartyBot
New bot added!: Combat Bot
Please wait a few seconds while Honorbuddy initializes.
Building spell book
Spell book built
Initialization complete.
Honorbuddy is up-to-date
Chose Singular $Revision: 254 $ as your combat class!
[Singular] Starting Singular v0.0.0.0
[Singular] Determining talent spec.
[Singular] Current spec is Holy Paladin
[Singular] Using CreateHolyPaladinCombatBehavior for Holy Paladin - Combat (Priority: 0)
[Singular] Using CreateHolyPaladinPullBehavior for Holy Paladin - Pull (Priority: 0)
[Singular] Using CreateHolyPaladinRest for Holy Paladin - Rest (Priority: 0)
[Singular] Using CreatePaladinPreCombatBuffs for Holy Paladin - PreCombatBuffs (Priority: 0)
[Singular] Behaviors created!
Starting the bot!
Data at the root level is invalid. Line 2, position 1.
Starting the bot!
Data at the root level is invalid. Line 2, position 1.