How To Fix VF274 - You cannot use custom routines to create BDRs - only billing documents.

SAP Error Message - Details

• Message type: E = Error

• Message class: VF - Billing

• Message number: 274

• Message text: You cannot use custom routines to create BDRs - only billing documents.

What causes this issue?

You have tried to enter a custom routine number for a billing type that
represents a billing document request. Examples of these billing types
include BDR1, BDRC, and SVCB.
However, you cannot assign a custom routine number to this billing type
because custom routines can only be used to create billing documents.
Custom routines cannot be used to create billing document requests.

System Response

No custom routine number is assigned.

How to fix this error?

You can assign a routine number to any other billing types, just not
those billing types that represent billing document requests.

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.