```
try to change
if (sd && skill_id == PF_SPIDERWEB && !skill_pos_maxcount_check(src, skill_x, skill_y, skill_id, skill_lv, BL_PC, false)) {
to
if (sd && skill_id == PF_SPIDERWEB && !skill_pos_maxcount_check(src, ud->skillx,ud->skilly, ud->skill_id, ud->skill_lv, BL_PC, false)){
```