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

SOS_MAPPING839 - Overview

• 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

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 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:
  
  
  Check Attribute Definitions: Review the definitions of the attributes in