How To Fix JIT00511 - Lines &1 and &2 describe the same component / components group

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 511

• Message text: Lines &1 and &2 describe the same component / components group

What causes this issue?

In a given sequenced JIT call, a given component can only be defined
once for a given parts group.
You have defined a component at least twice for a parts group.

System Response

The system is unable to save data in this form. If you do not change
the data, then two or more lines that refer to the same component in a
parts group will be grouped together into one line and their quantities
added together.

How to fix this error?

Check your data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00511 - Lines &1 and &2 describe the same component / components group ?

  The SAP error message JIT00511 indicates that there is a conflict in the configuration of components in a Just-In-Time (JIT) delivery scenario. Specifically, it means that two lines in your configuration are describing the same component or components group, which is not allowed.
  Cause:
  This error typically arises from one of the following situations:
  
  Duplicate Entries: There are duplicate entries in the JIT delivery schedule or in the component list for a particular assembly or product.
  Incorrect Configuration: The configuration of the JIT delivery might have been set up incorrectly, leading to overlapping definitions of components.
  Data Entry Errors: Manual data entry errors can lead to the same component being listed multiple times.
  
  Solution:
  To resolve the JIT00511 error, you can follow these steps:
  
  
  Review the JIT Delivery Schedule:
  
  Go to the JIT delivery schedule in SAP and check the lines mentioned in the error message.
  Identify the components that are duplicated.
  
  
  
  Remove Duplicates:
  
  If you find that the same component is listed more than once, remove the duplicate entry.
  Ensure that each component is only listed once in the JIT delivery schedule.
  
  
  
  Check Component Configuration:
  
  Verify the configuration of the components in the relevant material master or BOM (Bill of Materials).
  Ensure that the components are correctly defined and that there are no overlaps.
  
  
  
  Data Validation:
  
  If the data was imported or transferred from another system, validate the data to ensure there are no duplicates.
  Use transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to check the components.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, try to process the JIT delivery again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as JIT1 (JIT Delivery) and CS01 (Create BOM) for managing JIT deliveries and BOMs.
  SAP Notes: Check for any SAP Notes related to JIT processing that might provide additional insights or patches for known issues.
  Documentation: Review SAP documentation on JIT processing for best practices and guidelines on setting up components and deliveries.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.