How To Fix JIT00579 - Material &3 occurs several times in components group &1

JIT00579 - Overview

• Message type: E = Error

• Message class: JIT00 - JIT: Messages for JIT Process

• Message number: 579

• Message text: Material &3 occurs several times in components group &1

What causes this issue?

In IDoc, material &v3& has been specified for compenents group &v1&
more than once.

System Response

The system does not allow any further processing.

How to fix this error?

If this error often occurs, you can aggregate items with the same
material in the EDI Inbox.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00579 - Material &3 occurs several times in components group &1 ?

  The SAP error message JIT00579 indicates that a specific material (denoted as &3) occurs multiple times in a components group (denoted as &1) during the Just-In-Time (JIT) delivery process. This error typically arises in scenarios where the system expects each component in a JIT delivery to be unique, but finds duplicates instead.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the same material has been entered multiple times in the components list for a JIT delivery.
  
  Configuration Issues: There may be issues with how the JIT delivery is configured, leading to the same material being assigned to the same group more than once.
  Data Entry Errors: Manual data entry errors can lead to the same material being mistakenly added multiple times.
  
  
  Solution:
  
  Check Components List: Review the components list for the JIT delivery and ensure that each material is listed only once. Remove any duplicates.
  Adjust Configuration: If the issue is related to