diff --git a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/AcknowledgeChange.java b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/AcknowledgeChange.java
index ac3362289..4920680bf 100644
--- a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/AcknowledgeChange.java
+++ b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/AcknowledgeChange.java
@@ -6,12 +6,16 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import android.util.Log;
+
 import com.todoroo.andlib.data.AbstractModel;
 import com.todoroo.astrid.core.PluginServices;
 import com.todoroo.astrid.dao.OutstandingEntryDao;
 
 public class AcknowledgeChange extends ServerToClientMessage {
 
+    private static final String ERROR_TAG = "actfm-acknowledge-change"; //$NON-NLS-1$
+
     private final OutstandingEntryDao<?> dao;
 
     public AcknowledgeChange(JSONObject json) {
@@ -38,7 +42,7 @@ public class AcknowledgeChange extends ServerToClientMessage {
 
                     idsList.add(id);
                 } catch (JSONException e) {
-                    //
+                    Log.e(ERROR_TAG, "Error getting long from " + idsArray + " at index " + i, e);  //$NON-NLS-1$//$NON-NLS-2$
                 }
             }
             dao.deleteWhere(AbstractModel.ID_PROPERTY.in(idsList.toArray(new Long[idsList.size()])));
diff --git a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/ChangesHappened.java b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/ChangesHappened.java
index 9aee80d17..46bfbde39 100644
--- a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/ChangesHappened.java
+++ b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/messages/ChangesHappened.java
@@ -23,6 +23,8 @@ import com.todoroo.astrid.data.RemoteModel;
 @SuppressWarnings("nls")
 public class ChangesHappened<TYPE extends RemoteModel, OE extends OutstandingEntry<TYPE>> extends ClientToServerMessage<TYPE> {
 
+    private static final String ERROR_TAG = "actfm-changes-happened";
+
     private final Class<OE> outstandingClass;
     private final List<OE> changes;
 
@@ -80,7 +82,7 @@ public class ChangesHappened<TYPE extends RemoteModel, OE extends OutstandingEnt
 
                 array.put(changeJson);
             } catch (JSONException e) {
-                //
+                Log.e(ERROR_TAG, "Error writing change to JSON", e);
             }
         }
         return array;