How To Fix /PLMB/BA_NAV028 - Structure &1 without mandatory key structure

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_NAV -

• Message number: 028

• Message text: Structure &1 without mandatory key structure

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_NAV028 - Structure &1 without mandatory key structure ?

  The SAP error message /PLMB/BA_NAV028 Structure &1 without mandatory key structure typically occurs in the context of SAP PLM (Product Lifecycle Management) when there is an issue with the data structure being used in a particular transaction or function. This error indicates that a required key structure for the specified data structure is missing.
  Cause:
  
  Missing Key Fields: The structure referenced in the error message does not have the mandatory key fields defined. In SAP, certain structures require specific key fields to be present for the system to process the data correctly.
  Configuration Issues: There may be a configuration issue in the PLM module where the key structure has not been properly defined or activated.
  Data Integrity Issues: The data being processed may be incomplete or corrupted, leading to the absence of required key fields.
  
  Solution:
  
  
  Check Structure Definition: Verify the definition of the structure mentioned in the error message. Ensure that all mandatory key fields are defined correctly in the structure.
  
  You can do this by navigating to the relevant transaction (e.g., SE11 for Data Dictionary) and checking the structure definition.
  
  
  
  Review Configuration: If you have access to the configuration settings, review the PLM configuration to ensure that all necessary key structures are properly set up.
  
  This may involve checking customizing settings in SPRO related to PLM.
  
  
  
  Data Validation: Validate the data being processed to ensure that it contains all required key fields. If the data is being imported or transferred from another system, ensure that the data mapping is correct.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific structure and error message for any additional guidance or known issues.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant context to help diagnose the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SPRO (Customizing) to investigate the structure and configuration.
  SAP Notes: Search for SAP Notes related to the error message or the specific structure in the SAP Support Portal. There may be patches or updates that address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.