diff --git a/Bukkit/src/main/java/com/github/intellectualsites/plotsquared/bukkit/listeners/EntitySpawnListener.java b/Bukkit/src/main/java/com/github/intellectualsites/plotsquared/bukkit/listeners/EntitySpawnListener.java
index 0c5ce4fd3..8aa7a16a9 100644
--- a/Bukkit/src/main/java/com/github/intellectualsites/plotsquared/bukkit/listeners/EntitySpawnListener.java
+++ b/Bukkit/src/main/java/com/github/intellectualsites/plotsquared/bukkit/listeners/EntitySpawnListener.java
@@ -39,7 +39,7 @@ public class EntitySpawnListener implements Listener {
     private static boolean hasPlotArea = false;
     private static String areaName = null;
 
-    public static void testNether(Entity entity) {
+    public static void testNether(final Entity entity) {
         @NotNull World world = entity.getWorld();
         if (world.getEnvironment() != World.Environment.NETHER
             && world.getEnvironment() != World.Environment.THE_END) {
@@ -48,15 +48,16 @@ public class EntitySpawnListener implements Listener {
         test(entity);
     }
 
-    public static void testCreate(Entity entity) {
+    public static void testCreate(final Entity entity) {
         @NotNull World world = entity.getWorld();
         if (areaName == world.getName()) {
         } else {
             areaName = world.getName();
             hasPlotArea = PlotSquared.get().hasPlotArea(areaName);
         }
-        if (!hasPlotArea)
+        if (!hasPlotArea) {
             return;
+        }
         test(entity);
     }
 
@@ -76,15 +77,21 @@ public class EntitySpawnListener implements Listener {
                     if (!world.getName().equalsIgnoreCase(originWorld + "_the_end")) {
                         try {
                             ignoreTP = true;
-                            PaperLib.teleportAsync(entity,origin);
+                            PaperLib.teleportAsync(entity, origin);
                         } finally {
                             ignoreTP = false;
                         }
+                        if (entity.getType() == EntityType.PLAYER) {
+                            return;
+                        }
                         if (entity.getLocation().getWorld().equals(world)) {
                             entity.remove();
                         }
                     }
                 } else {
+                    if (entity.getType() == EntityType.PLAYER) {
+                        return;
+                    }
                     entity.remove();
                 }
             }
@@ -136,7 +143,7 @@ public class EntitySpawnListener implements Listener {
 
     @EventHandler public void onChunkLoad(ChunkLoadEvent event) {
         @NotNull Chunk chunk = event.getChunk();
-        for (Entity entity : chunk.getEntities()) {
+        for (final Entity entity : chunk.getEntities()) {
             testCreate(entity);
         }
     }
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/Claim.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/Claim.java
index 3a17fb183..559df28ef 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/Claim.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/Claim.java
@@ -101,8 +101,12 @@ public class Claim extends SubCommand {
         final String finalSchematic = schematic;
         DBFunc.createPlotSafe(plot, () -> TaskManager.IMP.sync(new RunnableVal<Object>() {
             @Override public void run(Object value) {
-                plot.claim(player, true, finalSchematic);
-                if (area.isAutoMerge()) {
+                if (!plot.claim(player, true, finalSchematic)) {
+                    PlotSquared.get().getLogger().log(Captions.PREFIX.getTranslated() +
+                        String.format("Failed to claim plot %s", plot.getId().toCommaSeparatedString()));
+                    sendMessage(player, Captions.PLOT_NOT_CLAIMED);
+                    plot.owner = null;
+                } else if (area.isAutoMerge()) {
                     PlotMergeEvent event = PlotSquared.get().getEventDispatcher()
                         .callMerge(plot, Direction.ALL, Integer.MAX_VALUE, player);
                     if (event.getEventResult() == Result.DENY) {
@@ -112,7 +116,12 @@ public class Claim extends SubCommand {
                     }
                 }
             }
-        }), () -> sendMessage(player, Captions.PLOT_NOT_CLAIMED));
+        }), () -> {
+            PlotSquared.get().getLogger().log(Captions.PREFIX.getTranslated() +
+                String.format("Failed to add plot %s to the database", plot.getId().toCommaSeparatedString()));
+            sendMessage(player, Captions.PLOT_NOT_CLAIMED);
+            plot.owner = null;
+        });
         return true;
     }
 }
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/database/SQLManager.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/database/SQLManager.java
index ee4bf35fa..b3d52a114 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/database/SQLManager.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/database/SQLManager.java
@@ -978,7 +978,6 @@ import java.util.concurrent.atomic.AtomicInteger;
     }
 
     public void createPlotSafe(final Plot plot, final Runnable success, final Runnable failure) {
-        final long timestamp = plot.getTimestamp();
         addPlotTask(plot, new UniqueStatement("createPlotSafe_" + plot.hashCode()) {
             @Override public void set(PreparedStatement statement) throws SQLException {
                 statement.setInt(1, plot.getId().x);
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/object/Plot.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/object/Plot.java
index 1fcbd3005..3e9ba35ce 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/object/Plot.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/object/Plot.java
@@ -1709,6 +1709,9 @@ public class Plot {
 
     public boolean claim(final PlotPlayer player, boolean teleport, String schematic) {
         if (!canClaim(player)) {
+            PlotSquared.debug(Captions.PREFIX.getTranslated() +
+                String.format("Player %s attempted to claim plot %s, but was not allowed",
+                    player.getName(), this.getId().toCommaSeparatedString()));
             return false;
         }
         return claim(player, teleport, schematic, true);
@@ -1719,6 +1722,9 @@ public class Plot {
 
         if (updateDB) {
             if (!create(player.getUUID(), true)) {
+                PlotSquared.debug(Captions.PREFIX.getTranslated() +
+                    String.format("Player %s attempted to claim plot %s, but the database failed to update",
+                        player.getName(), this.getId().toCommaSeparatedString()));
                 return false;
             }
         } else {
@@ -1804,6 +1810,9 @@ public class Plot {
             });
             return true;
         }
+        PlotSquared.get().getLogger().log(Captions.PREFIX.getTranslated() +
+            String.format("Failed to add plot %s to plot area %s", this.getId().toCommaSeparatedString(),
+            this.area.toString()));
         return false;
     }
 
@@ -2346,7 +2355,13 @@ public class Plot {
                 return false;
             }
         }
-        return this.guessOwner() == null && !isMerged();
+        final UUID owner = this.guessOwner();
+        if (owner != null) {
+            if (player == null || !player.getUUID().equals(owner)) {
+                return false;
+            }
+        }
+        return !isMerged();
     }
 
     /**