Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now

Close

How To Fix SOS_MAPPING839 - Attribute &: Complex attribute must be a value attribute


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

  • Message number: 839

  • Message text: Attribute &: Complex attribute must be a value attribute

  • Show details Hide details


  • 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.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message SOS_MAPPING839 - Attribute &: Complex attribute must be a value attribute ?

    The SAP error message SOS_MAPPING839, which states "Attribute &: Complex attribute must be a value attribute," typically occurs in the context of SAP Master Data Governance (MDG) or SAP S/4HANA when dealing with data modeling and attribute definitions.

    Cause:

    This error arises when there is an attempt to map or use a complex attribute in a context where only a value attribute is expected. In SAP, attributes can be classified as:

    • Value Attributes: These are simple attributes that hold a single value (e.g., a string, number, date).
    • Complex Attributes: These are attributes that can hold multiple values or structured data (e.g., a table or a nested structure).

    The error indicates that the system is expecting a value attribute but has encountered a complex attribute instead. This can happen during data mapping, transformation, or when defining data models.

    Solution:

    To resolve this error, you can take the following steps:

    1. Check Attribute Definitions: Review the definitions of the attributes in your data model. Ensure that the attribute you are trying to use is defined as a value attribute if it is intended to be used in a context that requires a single value.

    2. Modify the Mapping: If you are mapping data from one attribute to another, ensure that you are not trying to map a complex attribute to a value attribute. Adjust the mapping to ensure compatibility.

    3. Review Data Model: If you are working with a data model, check the structure of the complex attribute. If it is necessary to keep it as a complex attribute, consider how it is being used and whether it can be simplified or restructured.

    4. Consult Documentation: Refer to SAP documentation or help resources for guidance on attribute types and their usage in your specific context (e.g., MDG, S/4HANA).

    5. Testing: After making changes, test the data mapping or model to ensure that the error is resolved and that the data behaves as expected.

    Related Information:

    • SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
    • SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
    • Training and Documentation: Consider reviewing training materials or documentation related to data modeling in SAP to better understand the distinctions between value and complex attributes.

    By following these steps, you should be able to identify the root cause of the SOS_MAPPING839 error and implement a suitable solution.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
ERPlingo simplifies finding the accurate answers to SAP message errors. I now use every week. A must have tool for anyone working with SAP! Highly recommended!
Rate 1
Kent Bettisworth
Executive SAP Consultant