We do need more of a clue - how about a profile and log ?
Code:
[19:41:38:486] Using wow with process id: 5552
[19:41:38:486] Platform: Microsoft Windows NT 6.1.7600.0
[19:41:38:486] Honorbuddy executable: D:\Apps\Honorbuddy\Honorbuddy.exe
[19:41:38:510]
[19:41:38:511] Compiling D:\Apps\Honorbuddy\CustomClasses\Convalesce
[19:41:38:541] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Death Knight
[19:41:39:171] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Druid
[19:41:39:392] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Hunter
[19:41:39:563] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Mage
[19:41:39:868] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Paladin
[19:41:40:789] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Priest
[19:41:40:923] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Rogue
[19:41:41:61] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Shaman
[19:41:41:345] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Warlock
[19:41:41:497] Compiling D:\Apps\Honorbuddy\CustomClasses\Default Warrior
[19:41:58:225] Warning: 'Factions' has been moved to the 'GrindArea'. Please reflect this change in your profiles.
[19:41:58:407] Cleared POI
[19:42:00:312] Mounting: 34767
[19:42:07:718] Changed POI to: Type: Kill, Name: Heckling Fel Sprite
[19:42:08:112] Activity: Pulling Heckling Fel Sprite now.
[19:42:09:805] Activity: Combat
[19:42:09:934] Spell_C::CastSpell(31884, 0, 0xF1304A220067C108, 0)
[19:42:10:60] Activity: Combat
[19:42:10:155] Spell_C::CastSpell(31884, 0, 0xF1304A220067C108, 0)
[19:42:10:303] Activity: Combat
[19:42:10:522] Spell_C::CastSpell(20271, 0, 0xF1304A220067C108, 0)
[19:42:10:656] Cleared POI
[19:42:10:754] Activity: Combat
[19:42:11:646] Spell_C::CastSpell(879, 0, 0xF1304AC00067C109, 0)
[19:42:13:391] Activity: Combat
[19:42:13:489] Spell_C::CastSpell(879, 0, 0xF1304AC00067C109, 0)
[19:42:15:267] Activity: Combat
[19:42:16:183] Spell_C::CastSpell(20271, 0, 0xF1304A220067C107, 0)
[19:42:16:315] Activity: Combat
[19:42:28:71] Mounting: 34767
[19:42:34:383] Changed POI to: Type: Kill, Name: Starving Helboar
[19:42:34:978] Activity: Pulling Starving Helboar now.
[19:42:36:689] Activity: Combat
[19:42:36:921] Spell_C::CastSpell(20271, 0, 0xF13041EF0065314B, 0)
[19:42:37:52] Activity: Combat
[19:42:38:497] Spell_C::CastSpell(879, 0, 0xF13041EF0065314B, 0)
[19:42:40:265] Activity: Combat
[19:42:40:561] Spell_C::CastSpell(35395, 0, 0xF13041EF0065314B, 0)
[19:42:40:727] Cleared POI
[19:42:40:824] Activity: Combat
[19:42:50:860] Mounting: 34767
[19:43:09:198] Changed POI to: Type: Harvest
[19:43:13:366] interact: 0x199CA210
[19:43:13:380] interact done: 0x199CA210
[19:43:15:934] Cleared POI
[19:43:17:96] Mounting: 34767
[19:43:31:249] System.NullReferenceException: Object reference not set to an instance of an object.
at Bots.Grind.LevelBot.df(Object A_0)
at TreeSharp.Action.RunAction(Object context)
at TreeSharp.Action.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Sequence.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at Styx.Logic.BehaviorTree.TreeRoot.b()
[19:43:31:249] Cleared POI
[19:43:53:608] System.NullReferenceException: Object reference not set to an instance of an object.
at Bots.Grind.LevelBot.df(Object A_0)
at TreeSharp.Action.RunAction(Object context)
at TreeSharp.Action.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Sequence.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at Styx.Logic.BehaviorTree.TreeRoot.b()
[19:43:53:608] Cleared POI
[19:44:16:762] Changed POI to: Type: Harvest
[19:44:22:711] interact: 0x199C76D0
[19:44:22:715] interact done: 0x199C76D0
[19:44:33:270] Cleared POI
[19:44:33:378] Activity: Combat
[19:44:57:281] Mounting: 34767
[19:45:09:361] Changed POI to: Type: Harvest
[19:45:17:268] interact: 0x199C7168
[19:45:17:297] interact done: 0x199C7168
[19:45:20:741] Cleared POI
[19:45:21:367] Changed POI to: Type: Harvest
[19:45:21:564] Cleared POI
[19:45:45:916] Changed POI to: Type: Kill, Name: Bleeding Hollow Grunt
[19:45:46:14] Activity: Combat
[19:45:46:475] Spell_C::CastSpell(31884, 0, 0xF13041E70067872D, 0)
[19:45:46:607] Activity: Combat
[19:45:46:774] Spell_C::CastSpell(4987, 0, 0xF13041E70067872D, 0)
[19:45:46:903] Activity: Combat
[19:45:48:320] Spell_C::CastSpell(4987, 0, 0xF13041E70067872D, 0)
[19:45:48:453] Activity: Combat
[19:45:49:869] Spell_C::CastSpell(20271, 0, 0xF13041E70067872D, 0)
[19:45:50:1] Activity: Combat
[19:45:51:547] Spell_C::CastSpell(4987, 0, 0xF13041E70067872D, 0)
[19:45:51:679] Activity: Combat
[19:45:52:994] Spell_C::CastSpell(35395, 0, 0xF13041E70067872D, 0)
[19:45:53:126] Activity: Combat
[19:45:53:616] Cleared POI
[19:45:53:713] Activity: Combat
[19:45:54:920] Spell_C::CastSpell(54428, 0, 0x0, 0)
[19:46:03:913] Mounting: 34767
And it happens with all profiles, also the ones that worked fine before the patch.