diff --git a/src/main/java/uulm/teamname/marvelous/gamelibrary/json/JSON.java b/src/main/java/uulm/teamname/marvelous/gamelibrary/json/JSON.java
index d1db478..c0a7ca7 100644
--- a/src/main/java/uulm/teamname/marvelous/gamelibrary/json/JSON.java
+++ b/src/main/java/uulm/teamname/marvelous/gamelibrary/json/JSON.java
@@ -3,6 +3,7 @@ package uulm.teamname.marvelous.gamelibrary.json;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.InjectableValues;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.tinylog.Logger;
 import uulm.teamname.marvelous.gamelibrary.config.CharacterConfig;
 import uulm.teamname.marvelous.gamelibrary.config.PartyConfig;
 import uulm.teamname.marvelous.gamelibrary.config.ScenarioConfig;
@@ -18,6 +19,8 @@ import java.util.Optional;
  */
 public class JSON {
 
+    // ===================>>>>>> STATIC <<<<<<======================
+
     private static final ObjectMapper staticMapper = new ObjectMapper();
 
     public static Optional<CharacterConfig> parseCharacterConfig (String jsonRepresentingConfig) {
@@ -25,6 +28,7 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, CharacterConfig.class));
         } catch (JsonProcessingException e) {
+            Logger.debug("JSON deserialization of CharacterConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
@@ -35,6 +39,7 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, CharacterConfig.class));
         } catch (IOException e) {
+            Logger.debug("JSON deserialization of CharacterConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
@@ -45,6 +50,7 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, PartyConfig.class));
         } catch (JsonProcessingException e) {
+            Logger.debug("JSON deserialization of PartyConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
@@ -55,6 +61,7 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, PartyConfig.class));
         } catch (IOException e) {
+            Logger.debug("JSON deserialization of PartyConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
@@ -65,6 +72,7 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, ScenarioConfig.class));
         } catch (JsonProcessingException e) {
+            Logger.debug("JSON deserialization of ScenarioConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
@@ -75,11 +83,14 @@ public class JSON {
         try {
             result = Optional.of(staticMapper.readValue(jsonRepresentingConfig, ScenarioConfig.class));
         } catch (IOException e) {
+            Logger.debug("JSON deserialization of ScenarioConfig failed. Exception: {}", e.toString());
             result = Optional.empty();
         }
         return result;
     }
 
+    // =================>>>>>> NON-STATIC <<<<<<====================
+
     private final ObjectMapper mapper = new ObjectMapper();
 
     public JSON (CharacterConfig config) {
@@ -98,7 +109,8 @@ public class JSON {
         try {
             return Optional.of(mapper.readValue(input, BasicMessage.class));
         } catch (JsonProcessingException e) {
-            // e.printStackTrace();
+            Logger.debug("JSON deserialization of Message failed. Exception: {}",
+                    e.toString());
             return Optional.empty();
         }
     }
@@ -112,6 +124,9 @@ public class JSON {
         try {
             return Optional.of(mapper.writeValueAsString(input));
         } catch (JsonProcessingException e) {
+            Logger.debug("JSON serialization of Message of type {} failed. Exception: {}",
+                    input.messageType.toString(),
+                    e.toString());
             // e.printStackTrace();
             return Optional.empty();
         }