diff --git a/SchematicSystem_15/src/de/steamwar/schematicsystem/CheckSchemType_15.java b/SchematicSystem_15/src/de/steamwar/schematicsystem/CheckSchemType_15.java
index 3f89708..928432a 100644
--- a/SchematicSystem_15/src/de/steamwar/schematicsystem/CheckSchemType_15.java
+++ b/SchematicSystem_15/src/de/steamwar/schematicsystem/CheckSchemType_15.java
@@ -100,7 +100,7 @@ class CheckSchemType_15 {
                     final BaseBlock block = clipboard.getFullBlock(BlockVector3.at(x, y, z));
                     final Material blockMaterial = Material.matchMaterial(block.getBlockType().getId());
                     if(blockMaterial == null)
-                        throw new SecurityException("Unknown material, please resolve " + block.getBlockType().getName() + " " + block.getBlockType().getId());
+                        continue;
 
                     result.checkMaterial(blockMaterial.name());