diff --git a/pom.xml b/pom.xml
index dd86848..7c1e23e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>club.claycoffee</groupId>
   <artifactId>ClayTech</artifactId>
-  <version>1.2.0-dev15</version>
+  <version>1.2.0-dev16</version>
    <build>
       <plugins>
           <plugin>
@@ -29,7 +29,7 @@
        <dependency>
            <groupId>org.spigotmc</groupId>
            <artifactId>spigot-api</artifactId>
-           <version>1.15.2-R0.1-SNAPSHOT</version>
+           <version>1.16.1-R0.1-SNAPSHOT</version>
            <scope>provided</scope>
        </dependency>
 	   <dependency>
diff --git a/src/main/java/club/claycoffee/ClayTech/implementation/abstractMachines/ANewContainer.java b/src/main/java/club/claycoffee/ClayTech/implementation/abstractMachines/ANewContainer.java
index cfe0db9..b154cfd 100644
--- a/src/main/java/club/claycoffee/ClayTech/implementation/abstractMachines/ANewContainer.java
+++ b/src/main/java/club/claycoffee/ClayTech/implementation/abstractMachines/ANewContainer.java
@@ -89,6 +89,7 @@ protected void tick(Block b) {
 
 			for (MachineRecipe recipe : recipes) {
 				for (ItemStack input : recipe.getInput()) {
+					if(input == null) continue;
 					for (int slot : getInputSlots()) {
 						if (SlimefunUtils.isItemSimilar(inv.getItemInSlot(slot), input, true)) {
 							found.put(slot, input.getAmount());
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index f862380..8cfbcfe 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 name: ClayTech
 main: club.claycoffee.ClayTech.ClayTech
-version: 1.2.0-dev15
+version: 1.2.0-dev16
 api-version: 1.13
 author: ClayCoffee
 loadbefore: [Multiverse-Core]