diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/AreaContainmentObject.java b/plugin/src/main/java/com/denizenscript/denizen/objects/AreaContainmentObject.java
index a10280ab9f..682b115c98 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/objects/AreaContainmentObject.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/AreaContainmentObject.java
@@ -178,10 +178,13 @@ public static void registerTags(ObjectTagProcessor<? extends AreaContainmentObje
         // -->
         processor.registerTag("contains", (attribute, area) -> {
             if (!attribute.hasContext(1)) {
-                attribute.echoError("AreaObject.contains[...] tag must have an input.");
                 return null;
             }
-            return new ElementTag(area.doesContainLocation(attribute.contextAsType(1, LocationTag.class)));
+            LocationTag loc = attribute.contextAsType(1, LocationTag.class);
+            if (loc == null) {
+                return null;
+            }
+            return new ElementTag(area.doesContainLocation(loc));
         }, "contains_location");
 
         // <--[tag]
@@ -237,7 +240,6 @@ public static void registerTags(ObjectTagProcessor<? extends AreaContainmentObje
         // -->
         processor.registerTag("blocks_flagged", (attribute, area) -> {
             if (!attribute.hasContext(1)) {
-                attribute.echoError("AreaObject.blocks_flagged[...] must have an input value.");
                 return null;
             }
             return area.getBlocksFlagged(CoreUtilities.toLowerCase(attribute.getContext(1)), attribute);
@@ -261,10 +263,12 @@ public static void registerTags(ObjectTagProcessor<? extends AreaContainmentObje
         // -->
         processor.registerTag("is_within", (attribute, area) -> {
             if (!attribute.hasContext(1)) {
-                attribute.echoError("The tag AreaObject.is_within[...] must have a value.");
                 return null;
             }
             CuboidTag cub2 = attribute.contextAsType(1, CuboidTag.class);
+            if (cub2 == null) {
+                return null;
+            }
             CuboidTag cuboid = area instanceof CuboidTag ? (CuboidTag) area : area.getCuboidBoundary();
             if (cub2 != null) {
                 boolean contains = true;
@@ -302,7 +306,6 @@ public static void registerTags(ObjectTagProcessor<? extends AreaContainmentObje
         // -->
         processor.registerTag("with_world", (attribute, area) -> {
             if (!attribute.hasContext(1)) {
-                attribute.echoError("AreaObject.with_world[...] tag must have an input.");
                 return null;
             }
             WorldTag world = attribute.contextAsType(1, WorldTag.class);
diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/CuboidTag.java b/plugin/src/main/java/com/denizenscript/denizen/objects/CuboidTag.java
index c2a2b098c7..dfb13c6551 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/objects/CuboidTag.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/CuboidTag.java
@@ -345,11 +345,11 @@ public CuboidTag(Location point_1, Location point_2) {
     }
 
     public void addPair(LocationTag point_1, LocationTag point_2) {
-        if (point_1.getWorld() != point_2.getWorld()) {
+        if (!point_1.getWorldName().equals(point_2.getWorldName())) {
             Debug.echoError("Tried to make cross-world cuboid!");
             return;
         }
-        if (pairs.size() > 0 && point_1.getWorld() != getWorld()) {
+        if (pairs.size() > 0 && !point_1.getWorldName().equals(getWorld().getName())) {
             Debug.echoError("Tried to make cross-world cuboid set!");
             return;
         }
diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemFirework.java b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemFirework.java
index d60ea80447..4e014aee72 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemFirework.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemFirework.java
@@ -121,6 +121,7 @@ public void adjust(Mechanism mechanism) {
         // Each item in the list is formatted as: TRAIL,FLICKER,TYPE,RED,GREEN,BLUE,RED,GREEN,BLUE
         // For example: true,false,BALL,255,0,0,0,255,0 would create a trailing ball firework that fades from red to green.
         // Optionally add a list entry that's just a single number to set the power.
+        // Types: ball, ball_large, star, burst, or creeper
         // @tags
         // <ItemTag.firework>
         // -->