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-rw-r--r--src/map/skill.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/map/skill.c b/src/map/skill.c
index e77703e1f..3c4cbcd21 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -10161,13 +10161,17 @@ struct skill_unit_group* skill_initunitgroup (struct block_list* src, int count,
/*==========================================
*
*------------------------------------------*/
-int skill_delunitgroup (struct skill_unit_group *group)
+int skill_delunitgroup_(struct skill_unit_group *group, const char* file, int line, const char* func)
{
struct block_list* src;
struct unit_data *ud;
int i,j;
- nullpo_ret(group);
+ if( group == NULL )
+ {
+ ShowDebug("skill_delunitgroup: group is NULL (source=%s:%d, %s)! Please report this! (#3504)\n", file, line, func);
+ return 0;
+ }
src=map_id2bl(group->src_id);
ud = unit_bl2ud(src);