diff --git a/core/Changes b/core/Changes
index 378a85e..9b7e5b6 100644
--- a/core/Changes
+++ b/core/Changes
@@ -1,8 +1,10 @@
 # version 0.61.6
-06/02/2018
+06/02/2019
    - Added default foundry for structure layer (margaretha)
    - Added authentication to metadata controller (margaretha, issue #38)
    - Updated search krill error handling (margaretha)
+18/02/2019
+   - Updated handling errors from Koral (margaretha)
 
 # version 0.61.5
 17/12/2018
diff --git a/core/pom.xml b/core/pom.xml
index 109ef97..e4e6694 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -227,7 +227,7 @@
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>
 			<artifactId>Koral</artifactId>
-			<version>[0.31,)</version>
+			<version>[0.33,)</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.eclipse.jetty</groupId>
diff --git a/core/src/main/java/de/ids_mannheim/korap/utils/KoralCollectionQueryBuilder.java b/core/src/main/java/de/ids_mannheim/korap/utils/KoralCollectionQueryBuilder.java
index aebfbf6..a6260cb 100644
--- a/core/src/main/java/de/ids_mannheim/korap/utils/KoralCollectionQueryBuilder.java
+++ b/core/src/main/java/de/ids_mannheim/korap/utils/KoralCollectionQueryBuilder.java
@@ -1,8 +1,8 @@
 package de.ids_mannheim.korap.utils;
 
+import java.util.HashMap;
 import java.util.List;
-
-import org.springframework.beans.factory.annotation.Autowired;
+import java.util.Map;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ArrayNode;
@@ -12,7 +12,6 @@
 import de.ids_mannheim.korap.exceptions.StatusCodes;
 import de.ids_mannheim.korap.query.serialize.CollectionQueryProcessor;
 import de.ids_mannheim.korap.response.Notifications;
-import de.ids_mannheim.korap.web.CoreResponseHandler;
 import edu.emory.mathcs.backport.java.util.Arrays;
 
 /**
@@ -31,9 +30,6 @@
     private JsonNode base;
     private StringBuilder builder;
     private String mergeOperator;
-    @Autowired
-    private CoreResponseHandler responseHandler;
-
 
     public KoralCollectionQueryBuilder () {
         this(false);
@@ -113,21 +109,27 @@
                     new CollectionQueryProcessor(this.verbose);
             tree.process(this.builder.toString());
             if (tree.getErrors().size() > 0) {
-                Notifications notif = new Notifications();
-                int code;
+                // legacy support
                 for (List<Object> e : tree.getErrors()) {
-                    code = (int) e.get(0);
-                    if (e.get(1) instanceof String) {
-                        notif.addError(code, (String) e.get(1));
-                    }
-                    else {
+                    if (e.get(1) instanceof String[]) {
+                        Notifications notif = new Notifications();
+                        int code = (int) e.get(0);
                         notif.addError(code, (String[]) e.get(1));
+                        String notificationStr = notif.toJsonString();
+                        throw new KustvaktException(StatusCodes.SERIALIZATION_FAILED,
+                                notificationStr, true);
+                    }
+                    else{
+                        break;
                     }
                 }
-
-                String notificationStr = notif.toJsonString();
+                // -- end of legacy support
+                
+                Map<String, Object> map = new HashMap<>();
+                map.put("errors", tree.getErrors());
+                String errors = JsonUtils.toJSON(map);
                 throw new KustvaktException(StatusCodes.SERIALIZATION_FAILED,
-                        notificationStr, true);
+                        errors, true);
             }
             request = JsonUtils.valueToTree(tree.getRequestMap());
         }
diff --git a/full/Changes b/full/Changes
index 198aa7f..a1fd961 100644
--- a/full/Changes
+++ b/full/Changes
@@ -8,6 +8,9 @@
 06/02/2019
    - Updated a user setting test using array for multiple values (margaretha)
    - Added metadata controller tests (margaretha)
+18/02/2019
+   - Fixed tests (margaretha)
+   - Updated handling errors from Koral (margaretha)  
 
 # version 0.61.5
 17/12/2018
diff --git a/full/pom.xml b/full/pom.xml
index 325dbfe..5a13cc5 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -206,7 +206,7 @@
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>
 			<artifactId>Kustvakt-core</artifactId>
-			<version>[0.61.4,)</version>
+			<version>[0.61.6,)</version>
 		</dependency>
 		<!-- LDAP -->
 		<dependency>
diff --git a/full/src/test/java/de/ids_mannheim/korap/web/controller/MetadataControllerTest.java b/full/src/test/java/de/ids_mannheim/korap/web/controller/MetadataControllerTest.java
index fb083bd..71a3fff 100644
--- a/full/src/test/java/de/ids_mannheim/korap/web/controller/MetadataControllerTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/web/controller/MetadataControllerTest.java
@@ -88,20 +88,20 @@
     public void testMetadataAvailabilityAllUnauthorized ()
             throws KustvaktException {
         ClientResponse response = resource().path(API_VERSION).path("corpus")
-                .path("GOE").path("AGI").path("00000")
+                .path("GOE").path("AGD").path("00000")
                 .header(Attributes.AUTHORIZATION,
                         HttpAuthorizationHandler
                                 .createBasicAuthorizationHeaderValue("kustvakt",
                                         "kustvakt2015"))
                 .header(HttpHeaders.X_FORWARDED_FOR, "170.27.0.32")
                 .get(ClientResponse.class);
-
+        
         JsonNode node = JsonUtils.readTree(response.getEntity(String.class));
         assertEquals(StatusCodes.AUTHORIZATION_FAILED,
                 node.at("/errors/0/0").asInt());
         assertEquals(
                 "Retrieving resource with ID "
-                        + "GOE/AGI/00000 is not allowed.",
+                        + "GOE/AGD/00000 is not allowed.",
                 node.at("/errors/0/1").asText());
     }
 }
diff --git a/full/src/test/java/de/ids_mannheim/korap/web/controller/StatisticsControllerTest.java b/full/src/test/java/de/ids_mannheim/korap/web/controller/StatisticsControllerTest.java
index 4ecbe72..be6c1d6 100644
--- a/full/src/test/java/de/ids_mannheim/korap/web/controller/StatisticsControllerTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/web/controller/StatisticsControllerTest.java
@@ -104,9 +104,10 @@
                 .queryParam("corpusQuery", "creationDate >= 1810")
                 .get(ClientResponse.class);
 
+        String ent = response.getEntity(String.class);
         assertEquals(ClientResponse.Status.BAD_REQUEST.getStatusCode(),
                 response.getStatus());
-        String ent = response.getEntity(String.class);
+        
         JsonNode node = mapper.readTree(ent);
         assertEquals(node.at("/errors/0/0").asInt(), 305);
         assertEquals(node.at("/errors/0/1").asText(),
diff --git a/full/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java b/full/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
index c04aee1..ba26d0c 100644
--- a/full/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
@@ -59,13 +59,13 @@
         assertEquals(Status.CREATED.getStatusCode(), response.getStatus());
 
         int numOfResult = 25;
-        String metadata = "[\"author\",\"title\",\"textSigle\","
-                + "\"availability\"]";
+        String metadata =
+                "[\"author\",\"title\",\"textSigle\"," + "\"availability\"]";
 
-        testRetrieveSettings(username, "opennlp", numOfResult, metadata);
+        testRetrieveSettings(username, "opennlp", numOfResult, metadata, true);
 
         testDeleteKeyNotExist(username);
-        testDeleteKey(username, numOfResult, metadata);
+        testDeleteKey(username, numOfResult, metadata, true);
         testDeleteSetting(username);
     }
 
@@ -81,7 +81,7 @@
         assertEquals(Status.CREATED.getStatusCode(), response.getStatus());
 
         testRetrieveSettings(username2, "opennlp", 25,
-                "author title textSigle availability");
+                "author title textSigle availability", false);
 
         testUpdateSetting(username2);
         testputRequestInvalidKey();
@@ -146,17 +146,18 @@
                 .get(ClientResponse.class);
 
         assertEquals(Status.NOT_FOUND.getStatusCode(), response.getStatus());
-        
+
         String entity = response.getEntity(String.class);
         JsonNode node = JsonUtils.readTree(entity);
 
         assertEquals(StatusCodes.NO_RESOURCE_FOUND,
                 node.at("/errors/0/0").asInt());
-        assertEquals("No default setting for username: " + username +" is found",
+        assertEquals(
+                "No default setting for username: " + username + " is found",
                 node.at("/errors/0/1").asText());
         assertEquals(username, node.at("/errors/0/2").asText());
     }
-    
+
     @Test
     public void testDeleteSettingNotExist () throws KustvaktException {
         String username = "tralala";
@@ -207,10 +208,12 @@
                 node.at("/errors/0/0").asInt());
         assertEquals(username, node.at("/errors/0/2").asText());
     }
-    
-    // EM: deleting a non-existing key does not throw an error, because 
+
+    // EM: deleting a non-existing key does not throw an error,
+    // because
     // the purpose of the request has been achieved.
-    private void testDeleteKeyNotExist (String username) throws KustvaktException {
+    private void testDeleteKeyNotExist (String username)
+            throws KustvaktException {
         ClientResponse response = resource().path(API_VERSION)
                 .path("~" + username).path("setting").path("lemma-foundry")
                 .header(Attributes.AUTHORIZATION, HttpAuthorizationHandler
@@ -221,7 +224,7 @@
     }
 
     private void testDeleteKey (String username, int numOfResult,
-            String metadata) throws KustvaktException {
+            String metadata, boolean isMetadataArray) throws KustvaktException {
 
         ClientResponse response = resource().path(API_VERSION)
                 .path("~" + username).path("setting").path("pos-foundry")
@@ -230,7 +233,8 @@
                 .delete(ClientResponse.class);
 
         assertEquals(Status.OK.getStatusCode(), response.getStatus());
-        testRetrieveSettings(username, null, numOfResult, metadata);
+        testRetrieveSettings(username, null, numOfResult, metadata,
+                isMetadataArray);
     }
 
     private void testUpdateSetting (String username) throws KustvaktException {
@@ -242,11 +246,12 @@
         ClientResponse response = sendPutRequest(username, map);
         assertEquals(Status.OK.getStatusCode(), response.getStatus());
 
-        testRetrieveSettings(username, "malt", 15, "author title");
+        testRetrieveSettings(username, "malt", 15, "author title", false);
     }
 
     private void testRetrieveSettings (String username, String posFoundry,
-            int numOfResult, String metadata) throws KustvaktException {
+            int numOfResult, String metadata, boolean isMetadataArray)
+            throws KustvaktException {
         ClientResponse response = resource().path(API_VERSION)
                 .path("~" + username).path("setting")
                 .header(Attributes.AUTHORIZATION, HttpAuthorizationHandler
@@ -255,7 +260,7 @@
                 .get(ClientResponse.class);
 
         String entity = response.getEntity(String.class);
-        System.out.println(entity);
+
         JsonNode node = JsonUtils.readTree(entity);
         if (posFoundry == null) {
             assertTrue(node.at("/pos-foundry").isMissingNode());
@@ -264,7 +269,13 @@
             assertEquals(posFoundry, node.at("/pos-foundry").asText());
         }
         assertEquals(numOfResult, node.at("/resultPerPage").asInt());
-        assertEquals(metadata, node.at("/metadata").toString());
+
+        if (isMetadataArray) {
+            assertEquals(metadata, node.at("/metadata").toString());
+        }
+        else {
+            assertEquals(metadata, node.at("/metadata").asText());
+        }
     }
 
 }
diff --git a/lite/Changes b/lite/Changes
index 3c045ae..aa4374e 100644
--- a/lite/Changes
+++ b/lite/Changes
@@ -1,6 +1,8 @@
 version 0.61.3
 05/02/2019
-  - Updated kustvakt-lite.conf
+  - Updated kustvakt-lite.conf (margaretha)
+18/02/2019
+  - Updated core version (margaretha)
 
 version 0.61.2
 14/11/2018
diff --git a/lite/pom.xml b/lite/pom.xml
index cacf4a6..0753db9 100644
--- a/lite/pom.xml
+++ b/lite/pom.xml
@@ -137,7 +137,7 @@
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>
 			<artifactId>Kustvakt-core</artifactId>
-			<version>[0.61.3,)</version>
+			<version>[0.61.6,)</version>
 		</dependency>
 		<!-- Jersey test framework -->
 		<dependency>