How To Fix PPEGUI412 - Duplicated item numbers not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEGUI - Message Interface

• Message number: 412

• Message text: Duplicated item numbers not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPEGUI412 - Duplicated item numbers not allowed ?

  The SAP error message PPEGUI412, which states "Duplicated item numbers not allowed," typically occurs in the context of the SAP Production Planning and Execution (PP) module, particularly when dealing with planning or production orders, or when creating or modifying items in a bill of materials (BOM) or routing.
  Cause:
  The error is triggered when there are duplicate item numbers in a list where unique item numbers are required. This can happen in various scenarios, such as:
  
  When trying to create or modify a BOM or routing that contains the same item number more than once.
  When entering data in a planning table or transaction that expects unique identifiers for each item.
  
  Solution:
  To resolve the PPEGUI412 error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Review the list of items you are trying to enter or modify. Look for any duplicate item numbers.
  You can use transaction codes like CS03 (Display BOM) or CA03 (Display Routing) to check existing BOMs or routings for duplicates.
  
  
  
  Remove Duplicates:
  
  If you find duplicates, remove or correct them. Ensure that each item number is unique within the context of the transaction you are performing.
  
  
  
  Check Configuration:
  
  Ensure that your configuration settings in the SAP system do not allow for duplicate entries in the relevant tables or transactions.
  
  
  
  Data Validation:
  
  Implement data validation checks in your processes to prevent duplicates from being entered in the first place.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific guidelines on the transaction you are working with, as there may be additional constraints or requirements.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), CA01 (Create Routing), and CA02 (Change Routing).
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify items in the system, as restrictions may also lead to errors.
  
  By following these steps, you should be able to identify and resolve the issue causing the PPEGUI412 error in SAP.