(20250124) Handling absence of'rs0' in reminders for work (cron).

cron/misc/reminders_for_work.py

@@ -307,7 +307,9 @@ async def get_reminders_to_send() -> pd.DataFrame | None:
 
         # Create the response DataFrame:
         if db_status == 1 and not exception:
-            reminders_df = pd.DataFrame(db_json["data"]["rs0"])
+            reminders_json = db_json["data"].get("rs0", [])
+            if reminders_json:
+                reminders_df = pd.DataFrame()
                 reminders_df.rename(
                     columns = {
                         "token_id": "tokenKey",
@@ -318,6 +320,7 @@ async def get_reminders_to_send() -> pd.DataFrame | None:
                     },
                     inplace = True
                 )
+            else: no_context_printer("No reminder(s)")
 
     # If something goes wrong:
     except Exception as e: