Error Message of Mystery

[tacticswin]

I keep getting this error message in my Mod Organizer and I have no idea how to fix it. Ever since I started getting that I've also been experience sudden game freezing, usually close to or during a load screen. 

 

DEBUG (19:01:25.0086): createfile w: C:\Program Files (x86)\Mod Organizer\mods\FNIS Behavior\tools\GenerateFNIS_for_Users\DebugData.txt -> C:\Program Files (x86)\Mod Organizer\mods\FNIS Behavior\tools\GenerateFNIS_for_Users\DebugData.txt (80000000 - 3) = 00000750 (0)
DEBUG (19:01:25.0089): add mod file C:\Program Files (x86)\Mod Organizer\overwrite\\tools\GenerateFNIS_for_Users\temporary_logs\DebugData.txt (tools\GenerateFNIS_for_Users\temporary_logs\DebugData.txt)
DEBUG (19:01:25.0091): using path from previous deletion: C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\behaviors\bearbehavior.hkx
DEBUG (19:01:25.0095): remove mod file C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\tools\GenerateFNIS_for_Users\temporary_logs\bearbehavior.hkx
ERROR (19:01:25.0095): not a mod directory: C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\behaviors\bearbehavior.hkx
DEBUG (19:01:25.0133): move (ex) C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\tools\GenerateFNIS_for_Users\temporary_logs\bearbehavior.hkx to C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\behaviors\bearbehavior.hkx - 1 (183)
DEBUG (19:01:25.0161): createfile w: C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\characters\bearcharacter_default_TEMPLATE.txt -> C:\Program Files (x86)\Mod Organizer\mods\FNIS Creature Pack\meshes\actors\bear\characters\bearcharacter_default_TEMPLATE.txt (80000000 - 3) = 00000784 (0)
DEBUG (19:01:25.0169): remove mod file C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\characters\bearcharacter.hkx
INFO (19:01:25.0169): deleting C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\meshes\actors\bear\characters\bearcharacter.hkx -> C:\Program Files (x86)\Mod Organizer\mods\FNIS Behavior\meshes\actors\bear\characters\bearcharacter.hkx
DEBUG (19:01:25.0170): create process (w) null - ".\hkxcmd.exe" convert -v:WIN32 "temporary_logs\bearcharacter.xml" "temporary_logs\bearcharacter.hkx" (in C:\Program Files (x86)\Steam\steamapps\common\Skyrim\data\tools\GenerateFNIS_for_Users) - hooking