diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/sebconfig/impl/converter/TableConverter.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/sebconfig/impl/converter/TableConverter.java
index e1a74c06..d252db2d 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/sebconfig/impl/converter/TableConverter.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/sebconfig/impl/converter/TableConverter.java
@@ -113,7 +113,8 @@ public class TableConverter implements AttributeValueConverter {
                 value.institutionId,
                 value.configurationId,
                 attribute.id)
-                .getOrThrow();
+                .onError(error -> log.error("Failed to get table values for attribute: {}", attribute.name, error))
+                .getOrElse(() -> Collections.emptyList());
 
         final boolean noValues = CollectionUtils.isEmpty(values);
 
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/SEBClientConnectionServiceImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/SEBClientConnectionServiceImpl.java
index 4b7646a7..0ced8866 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/SEBClientConnectionServiceImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/session/impl/SEBClientConnectionServiceImpl.java
@@ -294,8 +294,6 @@ public class SEBClientConnectionServiceImpl implements SEBClientConnectionServic
 
             // connection integrity check
             if (clientConnection.status == ConnectionStatus.CONNECTION_REQUESTED) {
-                // TODO discuss if we need a flag on exam domain level that indicates whether unauthenticated connection
-                //      are allowed or not
                 log.warn("ClientConnection integrity warning: client connection is not authenticated: {}",
                         clientConnection);
             } else if (clientConnection.status != ConnectionStatus.AUTHENTICATED) {
diff --git a/src/main/resources/config/application-dev.properties b/src/main/resources/config/application-dev.properties
index 5ec2e5a1..7a2939a8 100644
--- a/src/main/resources/config/application-dev.properties
+++ b/src/main/resources/config/application-dev.properties
@@ -8,6 +8,7 @@ server.tomcat.uri-encoding=UTF-8
 logging.level.ch=INFO
 logging.level.org.springframework.cache=INFO
 logging.level.ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl=DEBUG
+logging.level.ch.ethz.seb.sebserver.webservice.servicelayer.session=DEBUG
 
 sebserver.http.client.connect-timeout=150000
 sebserver.http.client.connection-request-timeout=100000