Prevent null exceptions. Check if no more blocks.

gradle.properties

@@ -53,7 +53,7 @@ mod_name=Zontreck's Library Mod
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=GPLv3
 # The mod version. See https://semver.org/
-mod_version=1201.13.042524.0023
+mod_version=1201.13.042524.0038
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/dev/zontreck/libzontreck/memory/world/BlockRestoreRunner.java

@@ -26,6 +26,7 @@ public class BlockRestoreRunner implements Runnable
         if(queue.getQueuedBlocks() == 0 && !queue.usesDatabase()) return; // We'll be queued back up later
 
         PrimitiveBlock prim = queue.getNextBlock();
+        if(prim == null)return; // No more blocks.
 
         Level level = prim.level;