diff --git a/out/artifacts/TCellSim_jar/TCellSim.jar b/out/artifacts/TCellSim_jar/TCellSim.jar
index 76e5b5c..44cb79c 100644
Binary files a/out/artifacts/TCellSim_jar/TCellSim.jar and b/out/artifacts/TCellSim_jar/TCellSim.jar differ
diff --git a/src/main/java/UserInterface.java b/src/main/java/UserInterface.java
index 2ac3d1f..916491b 100644
--- a/src/main/java/UserInterface.java
+++ b/src/main/java/UserInterface.java
@@ -499,7 +499,7 @@ public class UserInterface {
             System.out.println("No cell sample found.");
             System.out.println("Returning to main menu.");
         }
-        else if(plate.getWells().size() == 0){
+        else if(plate.getWells().size() == 0 || plate.getConcentrations().length == 0){
             System.out.println("No sample plate found.");
             System.out.println("Returning to main menu.");
         }