diff --git a/src/org/kar/archidata/dataAccess/addOn/AddOnDataJson.java b/src/org/kar/archidata/dataAccess/addOn/AddOnDataJson.java
index 0c33084..966b876 100644
--- a/src/org/kar/archidata/dataAccess/addOn/AddOnDataJson.java
+++ b/src/org/kar/archidata/dataAccess/addOn/AddOnDataJson.java
@@ -242,7 +242,7 @@ public class AddOnDataJson implements DataAccessAddOn {
 			}
 		}
 		data.covers.add(remoteKey);
-		DataAccess.update(data, data.id, List.of("covers"), new OverrideTableName(tableName));
+		DataAccess.update(data, data.uuid, List.of("covers"), new OverrideTableName(tableName));
 	}
 
 	public static void addLink(final Class<?> clazz, final UUID uuid, final String column, final Long remoteKey)
@@ -297,7 +297,7 @@ public class AddOnDataJson implements DataAccessAddOn {
 			newList.add(elem);
 		}
 		data.covers = newList;
-		DataAccess.update(data, data.id, List.of("covers"), new OverrideTableName(tableName));
+		DataAccess.update(data, data.uuid, List.of("covers"), new OverrideTableName(tableName));
 	}
 
 	public static void removeLink(final Class<?> clazz, final Long id, final String column, final Long remoteKey)
diff --git a/src/org/kar/archidata/dataAccess/addOn/model/TableCoversLongLong.java b/src/org/kar/archidata/dataAccess/addOn/model/TableCoversLongLong.java
index 45daf77..b4b3485 100644
--- a/src/org/kar/archidata/dataAccess/addOn/model/TableCoversLongLong.java
+++ b/src/org/kar/archidata/dataAccess/addOn/model/TableCoversLongLong.java
@@ -3,11 +3,10 @@ package org.kar.archidata.dataAccess.addOn.model;
 import java.util.List;
 
 import org.kar.archidata.annotation.DataJson;
-import org.kar.archidata.model.GenericDataSoftDelete;
 
-import jakarta.persistence.Column;
+import jakarta.persistence.Id;
 
-public class TableCoversLongLong extends GenericDataSoftDelete {
+public class TableCoversLongLong {
 	public TableCoversLongLong() {
 		// nothing to do...
 	}
@@ -17,8 +16,10 @@ public class TableCoversLongLong extends GenericDataSoftDelete {
 		this.covers = covers;
 	}
 
+	@Id
+	public Long id;
+
 	@DataJson()
-	@Column(nullable = false)
 	public List<Long> covers;
 
 }
diff --git a/src/org/kar/archidata/dataAccess/addOn/model/TableCoversUUIDUUID.java b/src/org/kar/archidata/dataAccess/addOn/model/TableCoversUUIDUUID.java
index f18dd5a..ae3dc43 100644
--- a/src/org/kar/archidata/dataAccess/addOn/model/TableCoversUUIDUUID.java
+++ b/src/org/kar/archidata/dataAccess/addOn/model/TableCoversUUIDUUID.java
@@ -4,12 +4,10 @@ import java.util.List;
 import java.util.UUID;
 
 import org.kar.archidata.annotation.DataJson;
-import org.kar.archidata.model.GenericDataSoftDelete;
 
-import jakarta.persistence.Column;
 import jakarta.persistence.Id;
 
-public class TableCoversUUIDUUID extends GenericDataSoftDelete {
+public class TableCoversUUIDUUID {
 	public TableCoversUUIDUUID() {
 		// nothing to do...
 	}
@@ -19,11 +17,9 @@ public class TableCoversUUIDUUID extends GenericDataSoftDelete {
 		this.covers = covers;
 	}
 
-	@Column(nullable = false)
 	@Id
 	public UUID uuid;
 	@DataJson()
-	@Column(nullable = false)
 	public List<UUID> covers;
 
 }
diff --git a/src/org/kar/archidata/tools/DataTools.java b/src/org/kar/archidata/tools/DataTools.java
index b42d88e..b20f182 100644
--- a/src/org/kar/archidata/tools/DataTools.java
+++ b/src/org/kar/archidata/tools/DataTools.java
@@ -224,7 +224,7 @@ public class DataTools {
 		// public NodeSmall uploadFile(final FormDataMultiPart form) {
 		LOGGER.info("Upload media file: {}", fileMetaData);
 		LOGGER.info("    - id: {}", id);
-		LOGGER.info("    - file_name: ", fileMetaData.getFileName());
+		LOGGER.info("    - file_name: {} ", fileMetaData.getFileName());
 		LOGGER.info("    - fileInputStream: {}", fileInputStream);
 		LOGGER.info("    - fileMetaData: {}", fileMetaData);
 		final CLASS_TYPE media = DataAccess.get(clazz, id);