There is no IBNR driver file for entry &1 in the sequence

What causes this issue?

No IBNR driver file has been configured for entry &v1& in the procedure
sequence for reserving.

System Response

The system prematurely ends the (sub) activity started.

How to fix this error?

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

Procedure for System Administrators

Define the required IBNR driver file in Customizing and store it in
IMG activity <ZK>Define Procedure Sequence for Reserving</>.
INCLUDE ICL_MESSAGE_CUST OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.