diff --git a/src/main/java/com/axis/innovators/box/tools/StateManager.java b/src/main/java/com/axis/innovators/box/tools/StateManager.java
index a08f963..0ed59d2 100644
--- a/src/main/java/com/axis/innovators/box/tools/StateManager.java
+++ b/src/main/java/com/axis/innovators/box/tools/StateManager.java
@@ -130,34 +130,42 @@ public class StateManager {
     }
 
     public int getStateAsInt(String key) {
-        return Integer.parseInt(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Integer.parseInt(value) : 0;
     }
 
     public long getStateAsLong(String key) {
-        return Long.parseLong(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Long.parseLong(value) : 0L;
     }
 
     public float getStateAsFloat(String key) {
-        return Float.parseFloat(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Float.parseFloat(value) : 0.0f;
     }
 
     public boolean getStateAsBoolean(String key) {
-        return Boolean.parseBoolean(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Boolean.parseBoolean(value) : false;
     }
 
     public double getStateAsDouble(String key) {
-        return Double.parseDouble(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Double.parseDouble(value) : 0.0;
     }
 
     public char getStateAsChar(String key) {
-        return configMap.get(key).charAt(0);
+        String value = configMap.get(key);
+        return value != null && !value.isEmpty() ? value.charAt(0) : '\0';
     }
 
     public byte getStateAsByte(String key) {
-        return Byte.parseByte(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Byte.parseByte(value) : 0;
     }
 
     public short getStateAsShort(String key) {
-        return Short.parseShort(configMap.get(key));
+        String value = configMap.get(key);
+        return value != null ? Short.parseShort(value) : 0;
     }
 }
\ No newline at end of file