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Message type: E = Error
Message class: AH - IS-U billing (master data)
Message number: 899
Message text: Billing document &1 can only be reversed for adjustment (migration)
Billing document &V1& originates from the legacy system (via migration)
and can be reversed in billing only - not in invoicing.
To execute this reversal, you must use the <DS:TRAN.EA21>Adjustment
Reversal of Billing Documents</> function.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Check whether it is really necessary to reverse legacy document &V1&,
which originated from the migration.
Alternatively, you can use the <DS:TRAN.EA16>Manual Billing</> function
to create a credit memo/backbilling.
Error message extract from SAP system. Copyright SAP SE.
AH899
- Billing document &1 can only be reversed for adjustment (migration) ?The SAP error message AH899, which states "Billing document &1 can only be reversed for adjustment (migration)," typically occurs in the context of billing document processing, particularly during migration or adjustment scenarios. This error indicates that the billing document in question cannot be reversed in the usual manner due to specific conditions related to its status or the migration process.
Cause:
- Document Status: The billing document may be in a status that does not allow for standard reversal. For example, it might be marked as completed or settled.
- Migration Process: If you are in the process of migrating data (e.g., from one system to another), certain restrictions may apply to how documents can be handled.
- Configuration Settings: There may be specific configuration settings in the SAP system that restrict the reversal of certain types of billing documents.
- Document Type: The type of billing document (e.g., credit memo, invoice) may have specific rules regarding reversals.
Solution:
- Check Document Status: Review the status of the billing document to ensure it is eligible for reversal. If it is completed or settled, you may need to take additional steps to reverse it.
- Use Adjustment Reversal: If the document can only be reversed for adjustment, follow the appropriate procedure for making adjustments rather than a standard reversal. This may involve creating a new document that reflects the necessary changes.
- Consult Migration Guidelines: If you are in a migration scenario, refer to the migration documentation or guidelines provided by SAP to understand the specific steps required for handling billing documents.
- Review Configuration: Check the configuration settings in the SAP system related to billing document processing. You may need to consult with your SAP administrator or functional consultant to adjust these settings if necessary.
- SAP Notes and Documentation: Look for relevant SAP Notes or documentation that may provide additional insights or solutions for this specific error message.
Related Information:
By following these steps, you should be able to address the AH899 error and proceed with the necessary adjustments or reversals of billing documents in your SAP system.
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