Reconciliation
Set Up RdN Reconcile:
Open RdN Reconcile - Setup with Assistance
No. Series

You need to create a no. series for matching in reconciliation. E.g. AF000001.
Other Settings

If you want to use one matching number per run (automatic matching), then you need to check this field (rare case).
Allow unsafe suggestions are used if you want to enable automatic matching on entries that are not on the same date or the same amount. This can be risky.
It is related to the "Maximum Allowed Date Difference" field in automatic matching. It is good to set 3D here as dates in the bank can differ by 1-2 days depending on whether it is a business day or weekend.