You can decide for yourself whether reminders should be generated automatically at regular intervals or manually.
Procedure in the FM Portal
Path to the starting point: System Control - Portal Options - Portal Administration - Timer Jobs - Job Management
Activate the timer job “Create Reminders.”
Reminders will be generated at the interval you specify, provided they meet the requirements. See: 📄 Ausgangsrechnungen für Mahnvorgang vorbereiten IC1865
Take a look here as well:
📄 Ausgangsrechnungen für Mahnvorgang vorbereiten IC1865