When I was playing through the HL:S Resized maps, and got to "Forget About Freeman!", the game vomited a bunch of Lua error messages regarding this mod:

lua/autorun/dynamic_blood.lua:48: bad argument #1 to 'SetAttachment' (number expected, got no value)
1. SetAttachment - [C]:-1
2. v - lua/autorun/dynamic_blood.lua:48
3. unknown - lua/includes/modules/hook.lua:84

Any ideas on what to do here?

EDIT: It also sent another Lua error report:

lua/autorun/dynamic_blood.lua:48: bad argument #1 to 'SetAttachment' (number expected, got no value)
1. SetAttachment - [C]:-1
2. v - lua/autorun/dynamic_blood.lua:48
3. unknown - lua/includes/modules/hook.lua:84
4. OldFireBullets - [C]:-1
5. FireBullets - lua/autorun/lfs_basescript.lua:41
6. DoPrimaryFire - lua/weapons/arccw_base/sh_firing.lua:583
7. unknown - lua/weapons/arccw_base/sh_firing.lua:398