diff --git a/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua b/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
index 9321672..a66c9b6 100644
--- a/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
+++ b/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
@@ -54,6 +54,11 @@ local function ensure_automark_tag_hook()
     -- runs inside this window.
     local patched = {}
     patched.set_tag = function(self, template_name, tagger_unit, target_unit, target_location)
+        if template_name == HACK_TAG_NAME and mod_settings.debug_mode and not mod.omni_hack_wrapper_seen then
+            mod.omni_hack_wrapper_seen = true
+            local ext = target_unit and self._unit_extension_data[target_unit]
+            mod:diag("OMNI-HACK-DIAG wrapper-hack is_server=", tostring(self._is_server), " self_is_sys=", tostring(self == smart_tag_system), " flagged=", tostring(ext and ext._automark_hack_order), " has_ext=", tostring(ext ~= nil))
+        end
         if self == smart_tag_system and target_unit and self._is_server and not patched.in_branch and template_name == HACK_TAG_NAME then
             local target_extension = self._unit_extension_data[target_unit]
             if target_extension and target_extension._automark_hack_order then
diff --git a/AutoMark/scripts/mods/AutoMark/targeting/custom_targeting.lua b/AutoMark/scripts/mods/AutoMark/targeting/custom_targeting.lua
index b46f93b..ba7139d 100644
--- a/AutoMark/scripts/mods/AutoMark/targeting/custom_targeting.lua
+++ b/AutoMark/scripts/mods/AutoMark/targeting/custom_targeting.lua
@@ -805,11 +805,25 @@ function mod:find_auto_mark_target_unit(min_range, max_range, tag_name, tag_cont
                 omni_reject("companion_invalid")
                 goto continue
             end
-        elseif tag_name == TAG_NAMES.SERVO_SKULL_TAG then
-            if not is_servo_skull_tag_target_valid(hit_unit, hit_unit_tag, hit_unit_breed_name, hit_unit_breed_data, hit_unit_attacking_unit_id, game_session, removed_units, companion_position, hit_unit_center_pos, max_ability_charges, remaining_capacitance) then
-                omni_reject("skull_invalid")
-                goto continue
-            end
+elseif tag_name == TAG_NAMES.SERVO_SKULL_TAG then
+                if not is_servo_skull_tag_target_valid(hit_unit, hit_unit_tag, hit_unit_breed_name, hit_unit_breed_data, hit_unit_attacking_unit_id, game_session, removed_units, companion_position, hit_unit_center_pos, max_ability_charges, remaining_capacitance) then
+                    if omni_rejects then
+                        local sub
+                        if hit_unit_tag and hit_unit_tag._template and hit_unit_tag._template.name == TAG_NAMES.VETERAN_TAG then
+                            sub = "vet_conflict"
+                        elseif mod_settings.servo_skull_mark_ignore_unaggroed and hit_unit_attacking_unit_id == -1 then
+                            sub = "unaggroed"
+                        elseif not mod:has_enough_capacitance(hit_unit) then
+                            sub = "capacitance"
+                        else
+                            sub = "range"
+                        end
+                        omni_reject("skull:" .. sub)
+                    else
+                        omni_reject("skull_invalid")
+                    end
+                    goto continue
+                end
         end
 
         local visible