diff --git a/bin/lib/objects/Decodeds.py b/bin/lib/objects/Decodeds.py
index ce79cbec..3339883c 100755
--- a/bin/lib/objects/Decodeds.py
+++ b/bin/lib/objects/Decodeds.py
@@ -454,16 +454,19 @@ def get_all_decodeds_objects(filters={}):
     mimetypes = sorted(mimetypes)
 
     if filters.get('start'):
-        _, start_id = filters['start'].split(':', 1)
-        decoded = Decoded(start_id)
-        # remove sources
-        start_mimetype = decoded.get_mimetype()
-        i = 0
-        while start_mimetype and len(mimetypes) > i:
-            if mimetypes[i] == start_mimetype:
-                mimetypes = mimetypes[i:]
-                start_mimetype = None
-            i += 1
+        if filters['start']['type'] == 'decoded':
+            _, start_id = filters['start'].split(':', 1)
+            decoded = Decoded(start_id)
+            # remove sources
+            start_mimetype = decoded.get_mimetype()
+            i = 0
+            while start_mimetype and len(mimetypes) > i:
+                if mimetypes[i] == start_mimetype:
+                    mimetypes = mimetypes[i:]
+                    start_mimetype = None
+                i += 1
+        else:
+            start_id = None
     else:
         start_id = None
 
diff --git a/bin/lib/objects/Items.py b/bin/lib/objects/Items.py
index 275e81e3..bbac1b8b 100755
--- a/bin/lib/objects/Items.py
+++ b/bin/lib/objects/Items.py
@@ -464,17 +464,24 @@ def get_all_items_objects(filters={}):
         sources = get_all_sources()
     sources = sorted(sources)
     if filters.get('start'):
-        _, start_id = filters['start'].split(':', 1)
-        item = Item(start_id)
-        # remove sources
-        start_source = item.get_source()
-        i = 0
-        while start_source and len(sources) > i:
-            if sources[i] == start_source:
-                sources = sources[i:]
-                start_source = None
-            i += 1
-        start_date = item.get_date()
+        if filters['start']['type'] == 'item':
+            _, start_id = filters['start'].split(':', 1)
+            item = Item(start_id)
+            if not item.exists():
+                start_id = None
+                start_date = None
+            # remove sources
+            start_source = item.get_source()
+            i = 0
+            while start_source and len(sources) > i:
+                if sources[i] == start_source:
+                    sources = sources[i:]
+                    start_source = None
+                i += 1
+            start_date = item.get_date()
+        else:
+            start_id = None
+            start_date = None
     else:
         start_id = None
         start_date = None
diff --git a/bin/lib/objects/ail_objects.py b/bin/lib/objects/ail_objects.py
index 3489ba1d..576dfd70 100755
--- a/bin/lib/objects/ail_objects.py
+++ b/bin/lib/objects/ail_objects.py
@@ -375,6 +375,8 @@ def obj_iterator(obj_type, filters):
         return chats_viewer.get_ocrs_iterator(filters=filters)
     elif obj_type == 'title':
         return Titles.Titles().get_iterator()
+    else:
+        return []
 
 
 def card_objs_iterators(filters):
diff --git a/bin/trackers/Retro_Hunt.py b/bin/trackers/Retro_Hunt.py
index 548b105d..2a4a91b1 100755
--- a/bin/trackers/Retro_Hunt.py
+++ b/bin/trackers/Retro_Hunt.py
@@ -72,6 +72,8 @@ class Retro_Hunt_Module(AbstractModule):
         last_obj = self.retro_hunt.get_last_analyzed()
         if last_obj:
             last_obj_type, last_obj_subtype, last_obj_id = last_obj.split(':', 2)
+            if last_obj_subtype is None:
+                last_obj_subtype = ''
         else:
             last_obj_type = None
             last_obj_subtype = None
@@ -81,8 +83,7 @@ class Retro_Hunt_Module(AbstractModule):
         self.update_progress()
 
         if last_obj_type:
-            filters['start'] = f'{last_obj_subtype}:{last_obj_id}'
-            last_obj_type = None
+            filters['start'] = {'type': last_obj_type, 'subtype': last_obj_subtype, 'id': last_obj_id}
 
         for obj_type in filters:
             for obj in ail_objects.obj_iterator(obj_type, filters):