How To Fix VN008 - There is an inconsistency between INAST and XNAST

SAP Error Message - Details

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 008

• Message text: There is an inconsistency between INAST and XNAST

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Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message VN008 - There is an inconsistency between INAST and XNAST ?

  Certainly! Here's a detailed explanation for the SAP error message VN008: "There is an inconsistency between INAST and XNAST":
  
  Error Message
  VN008: There is an inconsistency between INAST and XNAST.
  
  Cause
  
  The error occurs when there is a mismatch or inconsistency between the INAST and XNAST tables in SAP.
  INAST (Output Control: Status of Output) and XNAST (Status of Output: Header) are tables that store output status information for documents such as purchase orders, invoices, delivery notes, etc.
  Typically, this inconsistency arises when the output status in these two tables does not match for the same document and output type.
  This can happen due to:
  
  Incomplete or failed update of output status during output processing.
  Manual changes or inconsistencies caused by custom programs or manual database updates.
  Issues during output reprocessing or output determination.
  Transport or system inconsistencies after system copies or client copies.
  
  
  
  
  Explanation
  
  INAST contains the current status of the output for a document.
  XNAST contains the header status of the output.
  Both tables should be synchronized for each output type and document.
  When SAP tries to process or display output status, it checks these tables. If the statuses do not match, it raises the VN008 error to indicate data inconsistency.
  
  
  Solution / How to Fix
  
  
  Check the Output Status:
  
  Use transaction NACE to check the output types and their configuration.
  Use transaction VL03N (for delivery), ME23N (for purchase order), or relevant transaction to check the output status.
  
  
  
  Reprocess or Reset Output:
  
  Try to reprocess the output for the document.
  Delete the inconsistent output status entries and recreate them if necessary.
  
  
  
  Database Consistency Check:
  
  Run consistency checks or reports to identify and fix inconsistencies between INAST and XNAST.
  SAP provides standard reports or programs to clean up output status inconsistencies, e.g., report RSNAST00 (Output Processing).
  
  
  
  Manual Correction (if necessary):
  
  If you have SAP Basis or ABAP support, you can manually check and correct entries in INAST and XNAST tables.
  This should be done carefully and preferably in consultation with SAP support or experienced consultants.
  Example: Delete the inconsistent entries in one table and regenerate output status.
  
  
  
  Check for OSS Notes:
  
  Search SAP OSS Notes for any known bugs or patches related to VN008.
  Sometimes SAP releases notes or patches to fix output status inconsistencies.
  
  
  
  Avoid Manual Table Changes:
  
  Ensure no manual changes are made directly to INAST or XNAST tables without proper tools or transactions.
  
  
  
  
  Related Information
  
  
  Tables:
  
  INAST: Stores output status for documents.
  XNAST: Stores header output status.
  
  
  
  Transactions:
  
  NACE: Output determination.
  VL03N, ME23N, VF03, etc.: Display documents and output status.
  RSNAST00: Output processing report.
  
  
  
  SAP Notes:
  
  Check SAP Service Marketplace for notes related to output inconsistencies and VN008.
  
  
  
  Common Scenarios:
  
  Output determination errors.
  Output reprocessing failures.
  System copies or client copies causing inconsistencies.
  
  
  
  
  Summary
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Mismatch between output status in INAST and XNAST tables for a document and output type.
  
  
  Effect
  SAP raises VN008 error indicating inconsistency in output status.
  
  
  Solution
  Reprocess output, run consistency reports, correct or delete inconsistent entries, check OSS notes.
  
  
  Prevention
  Avoid manual table changes, ensure proper output processing, apply SAP patches if available.
  
  
  
  
  If you need help with specific steps or reports to fix this issue, please provide the document type or module (MM, SD, FI, etc.) you are working with.