diff --git a/changedetectionio/__init__.py b/changedetectionio/__init__.py
index f8794e80..50c0d436 100644
--- a/changedetectionio/__init__.py
+++ b/changedetectionio/__init__.py
@@ -1028,6 +1028,11 @@ def changedetection_app(config=None, datastore_o=None):
     @login_required
     def api_delete():
         uuid = request.args.get('uuid')
+
+        if uuid != 'all' and not uuid in datastore.data['watching'].keys():
+            flash('The watch by UUID {} does not exist.'.format(uuid), 'error')
+            return redirect(url_for('index'))
+
         # More for testing, possible to return the first/only
         if uuid == 'first':
             uuid = list(datastore.data['watching'].keys()).pop()
diff --git a/changedetectionio/model/Watch.py b/changedetectionio/model/Watch.py
index b148f584..c0313868 100644
--- a/changedetectionio/model/Watch.py
+++ b/changedetectionio/model/Watch.py
@@ -22,7 +22,8 @@ class model(dict):
             'newest_history_key': 0,
             'title': None,
             'previous_md5': False,
-            'uuid': str(uuid_builder.uuid4()),
+#           UUID not needed, should be generated only as a key
+#            'uuid':
             'headers': {},  # Extra headers to send
             'body': None,
             'method': 'GET',
diff --git a/changedetectionio/store.py b/changedetectionio/store.py
index bb4bab11..c95c172c 100644
--- a/changedetectionio/store.py
+++ b/changedetectionio/store.py
@@ -38,7 +38,8 @@ class ChangeDetectionStore:
         self.__data = App.model()
 
         # Base definition for all watchers
-        self.generic_definition = Watch.model()
+        # deepcopy part of #569 - not sure why its needed exactly
+        self.generic_definition = deepcopy(Watch.model())
 
         if path.isfile('changedetectionio/source.txt'):
             with open('changedetectionio/source.txt') as f:
@@ -231,7 +232,7 @@ class ChangeDetectionStore:
 
                 del self.data['watching'][uuid]
 
-            self.needs_write = True
+            self.needs_write_urgent = True
 
     # Clone a watch by UUID
     def clone(self, uuid):
@@ -330,10 +331,13 @@ class ChangeDetectionStore:
         with self.lock:
             # @todo use a common generic version of this
             new_uuid = str(uuid_builder.uuid4())
-            new_watch = Watch.model({
+            # #Re 569
+            # Not sure why deepcopy was needed here, sometimes new watches would appear to already have 'history' set
+            # I assumed this would instantiate a new object but somehow an existing dict was getting used
+            new_watch = deepcopy(Watch.model({
                 'url': url,
                 'tag': tag
-            })
+            }))
 
 
             for k in ['uuid', 'history', 'last_checked', 'last_changed', 'newest_history_key', 'previous_md5', 'viewed']:
diff --git a/changedetectionio/tests/test_notification.py b/changedetectionio/tests/test_notification.py
index 5cd2d0c7..178a152b 100644
--- a/changedetectionio/tests/test_notification.py
+++ b/changedetectionio/tests/test_notification.py
@@ -156,7 +156,7 @@ def test_check_notification(client, live_server):
 
     # cleanup for the next
     client.get(
-        url_for("api_delete", uuid="first"),
+        url_for("api_delete", uuid="all"),
         follow_redirects=True
     )
 
@@ -172,8 +172,7 @@ def test_notification_validation(client, live_server):
         data={"url": test_url, "tag": 'nice one'},
         follow_redirects=True
     )
-    with open("xxx.bin", "wb") as f:
-        f.write(res.data)
+
     assert b"Watch added" in res.data
 
     # Re #360 some validation
@@ -209,6 +208,6 @@ def test_notification_validation(client, live_server):
 
     # cleanup for the next
     client.get(
-        url_for("api_delete", uuid="first"),
+        url_for("api_delete", uuid="all"),
         follow_redirects=True
     )