diff --git a/api/buildcraft/api/blueprints/MappingRegistry.java b/api/buildcraft/api/blueprints/MappingRegistry.java
index aae00a21..6d087e90 100755
--- a/api/buildcraft/api/blueprints/MappingRegistry.java
+++ b/api/buildcraft/api/blueprints/MappingRegistry.java
@@ -277,8 +277,12 @@ public class MappingRegistry {
 		for (int i = 0; i < blocksMapping.tagCount(); ++i) {
 			NBTTagCompound sub = blocksMapping.getCompoundTagAt(i);
 			String name = sub.getString("name");
-			Block b = (Block) Block.blockRegistry.getObject(name);
-
+			Block b = null;
+			
+			if (Block.blockRegistry.containsKey(name)) {
+				b = (Block) Block.blockRegistry.getObject(name);
+			}
+			
 			if (b != null) {
 				registerBlock(b);
 			} else {
@@ -294,8 +298,12 @@ public class MappingRegistry {
 		for (int i = 0; i < itemsMapping.tagCount(); ++i) {
 			NBTTagCompound sub = itemsMapping.getCompoundTagAt(i);
 			String name = sub.getString("name");
-			Item item = (Item) Item.itemRegistry.getObject(name);
-
+			Item item = null;
+			
+			if (Item.itemRegistry.containsKey(name)) {
+				item = (Item) Item.itemRegistry.getObject(name);
+			}
+			
 			if (item != null) {
 				registerItem(item);
 			} else {
diff --git a/api/buildcraft/api/blueprints/SchematicBlock.java b/api/buildcraft/api/blueprints/SchematicBlock.java
index d21d409d..010455ef 100755
--- a/api/buildcraft/api/blueprints/SchematicBlock.java
+++ b/api/buildcraft/api/blueprints/SchematicBlock.java
@@ -33,6 +33,8 @@ public class SchematicBlock extends SchematicBlockBase {
 	 */
 	public ItemStack [] storedRequirements = new ItemStack [0];
 
+	private boolean doNotUse = false;
+	
 	@Override
 	public void getRequirementsForPlacement(IBuilderContext context, LinkedList<ItemStack> requirements) {
 		if (block != null) {
@@ -86,7 +88,9 @@ public class SchematicBlock extends SchematicBlockBase {
 		super.readSchematicFromNBT(nbt, registry);
 
 		readBlockFromNBT(nbt, registry);
-		readRequirementsFromNBT(nbt, registry);
+		if (!doNotUse()) {
+			readRequirementsFromNBT(nbt, registry);
+		}
 	}
 
 	@Override
@@ -114,12 +118,16 @@ public class SchematicBlock extends SchematicBlockBase {
 		context.world().setBlockMetadataWithNotify(x, y, z, meta, 3);
 	}
 	
+	public boolean doNotUse() {
+		return doNotUse;
+	}
+	
 	protected void readBlockFromNBT(NBTTagCompound nbt, MappingRegistry registry) {
 		try {
 			block = registry.getBlockForId(nbt.getInteger("blockId"));
 			meta = nbt.getInteger("blockMeta");
 		} catch (MappingNotFoundException e) {
-			defaultPermission = BuildingPermission.CREATIVE_ONLY;
+			doNotUse = true;
 		}
 	}
 	
@@ -128,11 +136,11 @@ public class SchematicBlock extends SchematicBlockBase {
 			NBTTagList rq = nbt.getTagList("rq", Constants.NBT.TAG_COMPOUND);
 
 			ArrayList<ItemStack> rqs = new ArrayList<ItemStack>();
-
+			int idTEST = 0;
 			for (int i = 0; i < rq.tagCount(); ++i) {
 				try {
 					NBTTagCompound sub = rq.getCompoundTagAt(i);
-
+					idTEST = sub.getInteger("id");
 					if (sub.getInteger("id") >= 0) {
 						registry.stackToWorld(sub);
 						rqs.add(ItemStack.loadItemStackFromNBT(sub));
diff --git a/common/buildcraft/core/blueprints/Blueprint.java b/common/buildcraft/core/blueprints/Blueprint.java
index b59a2691..6dd5026b 100644
--- a/common/buildcraft/core/blueprints/Blueprint.java
+++ b/common/buildcraft/core/blueprints/Blueprint.java
@@ -226,9 +226,9 @@ public class Blueprint extends BlueprintBase {
 									case ALL:
 										break;
 									case CREATIVE_ONLY:
-										System.out.println("FOUND CREATIVE BUILDING PERMISSION");
-										System.out.println("- block: " + Block.blockRegistry.getNameForObject(block));
-										System.out.println("- meta: " + meta);
+										//System.out.println("FOUND CREATIVE BUILDING PERMISSION");
+										//System.out.println("- block: " + Block.blockRegistry.getNameForObject(block));
+										//System.out.println("- meta: " + meta);
 										if (buildingPermission == BuildingPermission.ALL) {
 											buildingPermission = BuildingPermission.CREATIVE_ONLY;
 										}