How To Fix FKK_ID_XX_ODN135 - Doc. class &1 for ext. numbering must not have a number range assignment

FKK_ID_XX_ODN135 - Overview

• Message type: E = Error

• Message class: FKK_ID_XX_ODN - ODN message

• Message number: 135

• Message text: Doc. class &1 for ext. numbering must not have a number range assignment

What causes this issue?

In the Customizing activity
<DS:SIMG._FICAOD_DOCCLS_DET>Assign Document Classes to Document Types
and Origin Keys</>, you have specified external numbering for document
class &SYST-MSGV1&. You therefore cannot assign a number range to the
document class here.

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

System Response

Your documents may be incorrectly numbered or not numbered at all.

How to fix this error?

If you require external numbering for document class &SYST-MSGV1&,
remove the assignment to the number range specified here.
If you require internal numbering using a number range for document
class &SYST-MSGV1&, deactivate external numbering for the document class
in the Customizing activity
<DS:SIMG._FICAOD_DOCCLS_DET>Assign Document Classes to Document Types
and Origin Keys</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKK_ID_XX_ODN135 - Details

• The SAP error message FKK_ID_XX_ODN135 typically occurs in the context of the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that there is an issue with the document class configuration, specifically regarding external numbering and number range assignments.
  
  Cause:
  The error message is triggered when:
  
  A document class is configured to use external numbering, but it has an associated number range assignment. In SAP, external numbering means that the document numbers are provided externally (e.g., from an external system or manually), and thus, a number range should not be assigned to it.
  The configuration settings for the document class do not align with the expected settings for external numbering.
  
  
  Solution:
  To resolve this error, you need to check and adjust the configuration of the document class in question. Here are the steps you can follow:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen and navigate to the configuration for document