Amount limit not defined for every dunning level

What causes this issue?

For at least one dunning level in a dunning procedure, no amount limit
has been defined. This will lead to an error when creating a dunning
notice.
Dunning procedure &V1& does not contain an amount limit for dunning
level &V2&.

System Response

The data is saved or had already been saved.
The system issues an information message.

How to fix this error?

If necessary, check the system settings for the dunning procedure.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.