diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index 43939db6..c2082326 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,16 +1,16 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.1
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.compliance=1.3
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=ignore
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=ignore
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
-org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=21
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=1.3
diff --git a/src/tethys/swing/DatablockDetectionsPanel.java b/src/tethys/swing/DatablockDetectionsPanel.java
index cbe25cae..8b76920b 100644
--- a/src/tethys/swing/DatablockDetectionsPanel.java
+++ b/src/tethys/swing/DatablockDetectionsPanel.java
@@ -274,7 +274,7 @@ public class DatablockDetectionsPanel extends TethysGUIPanel implements StreamTa
 			if (pDets == null) {
 				continue;
 			}
-			toDelete.add(pDets.nilusObject);
+			toDelete.add(pDets);
 		}
 		DeleteDocs dd = new DeleteDocs(toDelete);
 		PamWorker<Integer> worker = new PamWorker(dd, getTethysControl().getGuiFrame(), 1, "Deleting Detections documents");
@@ -295,7 +295,7 @@ public class DatablockDetectionsPanel extends TethysGUIPanel implements StreamTa
 			for (NilusDocumentWrapper dets : toDelete) {
 				try {
 					
-					getTethysControl().getDbxmlConnect().deleteDocument(dets);
+					getTethysControl().getDbxmlConnect().deleteDocument(dets.nilusObject);
 				} catch (TethysException e) {
 					getTethysControl().showException(e);
 				}