How To Fix OO355 - Component &1 &2: The component appears several times

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 355

• Message text: Component &1 &2: The component appears several times

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO355 - Component &1 &2: The component appears several times ?

  The SAP error message OO355 indicates that a component appears multiple times in a specific context, which can lead to issues in processing or data integrity. This error typically arises in scenarios involving the configuration of materials, bills of materials (BOMs), or production orders where components are expected to be unique.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the same component has been added multiple times to a BOM or a production order.
  Incorrect Configuration: There may be an issue with how the components are configured in the system, leading to duplicates.
  Data Migration Issues: If data has been migrated from another system, duplicates may have been introduced during the migration process.
  
  Solution:
  
  
  Check for Duplicates: Review the BOM or production order to identify any duplicate components. You can do this by:
  
  Navigating to the BOM or production order in SAP.
  Checking the list of components for any repeated entries.
  
  
  
  Remove Duplicates: If duplicates are found, remove the extra entries to ensure that each component is listed only once.
  
  
  Validate Configuration: Ensure that the configuration settings for the components are correct and that there are no errors in the way they are defined.
  
  
  Data Cleanup: If the error is due to data migration, perform a cleanup of the data to remove duplicates and ensure data integrity.
  
  
  Testing: After making changes, test the BOM or production order to ensure that the error no longer occurs.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CS03 (Display BOM) or CO03 (Display Production Order) to view the details of the components.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for best practices on managing BOMs and production orders to avoid such issues in the future.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.