I am having a similar problem. I'm running a lvl 50 marauder, trying to run PureSWTOR. It keeps telling me "Failed to load profile: Data at the root level is invalid. Line 1, position 1."
here's my log:
Starting Buddy Wing v1.0.1109.509
Logging in...
T: 5247152794462800737 H: 1791575126
Login Success!
User is a Warrior
[DefaultCombat] Level: 50
[DefaultCombat] Class: Warrior
[DefaultCombat] Advanced Class: Marauder (Carnage)
[DefaultCombat] Building method list
[DefaultCombat] Added 203 methods
[DefaultCombat] MarauderCarnageOutOfCombat is a match!
[DefaultCombat] Using MarauderCarnageOutOfCombat for OutOfCombat (Priority: 0)
[DefaultCombat] MarauderCarnageCombat is a match!
[DefaultCombat] Using MarauderCarnageCombat for Combat (Priority: 0)
[DefaultCombat] MarauderCarnagePull is a match!
[DefaultCombat] Using MarauderCarnagePull for Pull (Priority: 0)
Chose DefaultCombat as your combat routine.
[DefaultCombat] Level: 50
[DefaultCombat] Class: Warrior
[DefaultCombat] Advanced Class: Marauder (Carnage)
[DefaultCombat] MarauderCarnageOutOfCombat is a match!
[DefaultCombat] Using MarauderCarnageOutOfCombat for OutOfCombat (Priority: 0)
[DefaultCombat] MarauderCarnageCombat is a match!
[DefaultCombat] Using MarauderCarnageCombat for Combat (Priority: 0)
[DefaultCombat] MarauderCarnagePull is a match!
[DefaultCombat] Using MarauderCarnagePull for Pull (Priority: 0)
BuddyMonitor has started up successfully.
[BuddyMonitor] You have enabled BuddyMonitor but haven't entered your API key or your identifier yet! Open the configuration, set the values and restart BuddyWing.
Failed to load profile: Data at the root level is invalid. Line 1, position 1.
Sell quality set to Premium.
Buddy Wing: The Old Robot is ready!
Failed to load profile: Data at the root level is invalid. Line 1, position 1.
Failed to load profile: Data at the root level is invalid. Line 1, position 1.
Failed to load profile: Data at the root level is invalid. Line 1, position 1.
LazyRaider Disabling Loot Targeting
LazyRaider Disabling Mounting
LazyRaider Disabling Movement
LazyRaider Disabling Targeting
LazyRaider Disabling Repop
[Hot Key][F7] Toggle AOE
[Hot Key][F8] Load UI
[Hot Key][F9] Toggle Pause
[Hot Key][F10] Toggle Movement
[Hot Key][F11] Toggle Targeting
[Hot Key][F12] Toggle All
Initialize Behaviors
RebuildBehaviors called.
Medpac Created!
[SkillTree 1][5] [SkillTree 2][36] [SkillTree 3][0]
Using MarauderCarnage by alltrueist rotation based on Character Spec
[SkillTree 1][5] [SkillTree 2][36] [SkillTree 3][0]
Using MarauderCarnage by alltrueist rotation based on Character Spec
[SkillTree 1][5] [SkillTree 2][36] [SkillTree 3][0]
Failed to load profile: Data at the root level is invalid. Line 1, position 1.