Core/Spells: Fixed crash in spell effect immunity check

Closes #16299

1 files changed, 5 insertions, 1 deletions

diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index b93bfa8719d..8a3f4720a2b 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -1818,12 +1818,16 @@ void Player::RemoveFromWorld()
 
 bool Player::IsImmunedToSpellEffect(SpellInfo const* spellInfo, uint32 index) const
 {
+    SpellEffectInfo const* effect = spellInfo->GetEffect(GetMap()->GetDifficultyID(), index);
+    if (!effect || !effect->IsEffect())
+        return false;
+
     // players are immune to taunt (the aura and the spell effect).
     if (spellInfo->GetEffect(index)->IsAura(SPELL_AURA_MOD_TAUNT))
         return true;
     if (spellInfo->GetEffect(index)->IsEffect(SPELL_EFFECT_ATTACK_ME))
         return true;
-    
+
     return Unit::IsImmunedToSpellEffect(spellInfo, index);
 }