diff --git a/Barotrauma/BarotraumaClient/Source/GUI/GUI.cs b/Barotrauma/BarotraumaClient/Source/GUI/GUI.cs
index ec5b88851..cbb751f50 100644
--- a/Barotrauma/BarotraumaClient/Source/GUI/GUI.cs
+++ b/Barotrauma/BarotraumaClient/Source/GUI/GUI.cs
@@ -656,6 +656,13 @@ namespace Barotrauma
                 msg.Timer -= deltaTime;                
                 msg.Pos += msg.Velocity * deltaTime;                
             }
+            
+            foreach (GUIMessage msg in messages)
+            {
+                if (!msg.WorldSpace) continue;
+                msg.Timer -= deltaTime;                
+                msg.Pos += msg.Velocity * deltaTime;                
+            }
         }
 
             messages.RemoveAll(m => m.Timer <= 0.0f);
diff --git a/Barotrauma/BarotraumaShared/Source/Characters/AI/EnemyAIController.cs b/Barotrauma/BarotraumaShared/Source/Characters/AI/EnemyAIController.cs
index 058fab879..0b9f96dab 100644
--- a/Barotrauma/BarotraumaShared/Source/Characters/AI/EnemyAIController.cs
+++ b/Barotrauma/BarotraumaShared/Source/Characters/AI/EnemyAIController.cs
@@ -726,7 +726,8 @@ namespace Barotrauma
                 if (!canAttack && !IsCoolDownRunning)
                 {
                     // If not, reset the attacking limb, if the cooldown is not running
-                    AttackingLimb = null;
+                    // Don't use the property, because we don't want cancel reversing, if we are reversing.
+                    _attackingLimb = null;
                 }
             }
 
@@ -797,7 +798,6 @@ namespace Barotrauma
             {
                 UpdateLimbAttack(deltaTime, AttackingLimb, attackSimPos, distance);
             }
-            return false;
         }
 
         private bool SteerThroughGap(Structure wall, WallSection section, Vector2 targetWorldPos, float deltaTime)
@@ -1169,15 +1169,15 @@ namespace Barotrauma
                     else if (target.Entity is Structure s)
                     {
                         targetingTag = "wall";
+                        if (!s.HasBody)
+                        {
+                            // Ignore structures that doesn't have a body (not walls)
+                            continue;
+                        }
+                        // Ignore walls when inside.
+                        valueModifier = character.CurrentHull == null ? 1 : 0;
                         if (aggressiveBoarding)
                         {
-                            // Ignore walls when inside.
-                            valueModifier = character.CurrentHull == null ? 2 : 0;
-                            if (valueModifier > 0)
-                            {
-                                // Ignore structures that doesn't have a body (not walls)
-                                valueModifier *= s.HasBody ? 1 : 0;
-                            }
                             for (int i = 0; i < s.Sections.Length; i++)
                             {
                                 var section = s.Sections[i];
@@ -1194,6 +1194,23 @@ namespace Barotrauma
                                 }
                             }
                         }
+                        else
+                        {
+                            // Ignore disabled walls
+                            bool isDisabled = true;
+                            for (int i = 0; i < s.Sections.Length; i++)
+                            {
+                                if (!s.SectionBodyDisabled(i))
+                                {
+                                    isDisabled = false;
+                                    break;
+                                }
+                            }
+                            if (isDisabled)
+                            {
+                                valueModifier = 0;
+                            }
+                        }
                     }
                     else
                     {
@@ -1216,25 +1233,7 @@ namespace Barotrauma
                                 valueModifier = isOutdoor ? 1 : 0;
                                 valueModifier *= isOpen ? 5 : 1;
                             }
-                        }
-                    }
-                    else
-                    {
-                        targetingTag = "room";
-                    }
-                    if (door != null)
-                    {
-                        // If there's not a more specific tag for the door
-                        if (string.IsNullOrEmpty(targetingTag) || targetingTag == "room")
-                        {
-                            targetingTag = "door";
-                        }
-                        bool isOutdoor = door.LinkedGap?.FlowTargetHull != null && !door.LinkedGap.IsRoomToRoom;
-                        bool isOpen = door.IsOpen || door.Item.Condition <= 0.0f;
-                        //increase priority if the character is outside and an aggressive boarder, and the door is from outside to inside
-                        if (aggressiveBoarding)
-                        {
-                            if (character.CurrentHull == null)
+                            for (int i = 0; i < s.Sections.Length; i++)
                             {
                                 valueModifier = isOutdoor ? 0 : 1;
                                 valueModifier *= isOpen ? 0 : 1;
diff --git a/Barotrauma/BarotraumaShared/Source/Items/ItemPrefab.cs b/Barotrauma/BarotraumaShared/Source/Items/ItemPrefab.cs
index d50dad455..56c9f12d8 100644
--- a/Barotrauma/BarotraumaShared/Source/Items/ItemPrefab.cs
+++ b/Barotrauma/BarotraumaShared/Source/Items/ItemPrefab.cs
@@ -983,6 +983,39 @@ namespace Barotrauma
 
             AllowedLinks = element.GetAttributeStringArray("allowedlinks", new string[0], convertToLowerInvariant: true).ToList();
 
+            if (sprite == null)
+            {
+                DebugConsole.ThrowError("Item \"" + Name + "\" has no sprite!");
+#if SERVER
+                sprite = new Sprite("", Vector2.Zero);
+                sprite.SourceRect = new Rectangle(0, 0, 32, 32);
+#else
+                sprite = new Sprite(TextureLoader.PlaceHolderTexture, null, null)
+                {
+                    Origin = TextureLoader.PlaceHolderTexture.Bounds.Size.ToVector2() / 2
+                };
+#endif
+                size = sprite.size;
+                sprite.EntityID = identifier;
+            }
+            
+            if (!category.HasFlag(MapEntityCategory.Legacy) && string.IsNullOrEmpty(identifier))
+            {
+                DebugConsole.ThrowError(
+                    "Item prefab \"" + name + "\" has no identifier. All item prefabs have a unique identifier string that's used to differentiate between items during saving and loading.");
+            }
+            if (!string.IsNullOrEmpty(identifier))
+            {
+                MapEntityPrefab existingPrefab = List.Find(e => e.Identifier == identifier);
+                if (existingPrefab != null)
+                {
+                    DebugConsole.ThrowError(
+                        "Map entity prefabs \"" + name + "\" and \"" + existingPrefab.Name + "\" have the same identifier!");
+                }
+            }
+
+            AllowedLinks = element.GetAttributeStringArray("allowedlinks", new string[0], convertToLowerInvariant: true).ToList();
+
             List.Add(this);
         }