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Fix crash when applying prefab changes using default instance (invalid)

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#3754
This commit is contained in:
Wojtek Figat
2026-03-28 00:04:03 +01:00
parent e99dc8dce4
commit c12948c6cc
1 changed files with 5 additions and 0 deletions
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5
Source/Engine/Level/Prefabs/Prefab.Apply.cpp
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@@ -650,6 +650,11 @@ bool Prefab::ApplyAll(Actor* targetActor)
LOG(Warning, "Failed to create default prefab instance for the prefab asset.");
return true;
}
if (targetActor == _defaultInstance || targetActor->HasActorInHierarchy(_defaultInstance) || _defaultInstance->HasActorInHierarchy(targetActor))
{
LOG(Error, "Cannot apply changes to the prefab using default instance. Use manually spawned prefab instance instead.");
return true;
}
if (targetActor->GetPrefabObjectID() != GetRootObjectId())
{
LOG(Warning, "Applying prefab changes with modified root object. Root object id: {0}, new root: {1} (prefab object id: {2})", GetRootObjectId().ToString(), targetActor->ToString(), targetActor->GetPrefabObjectID());