How To Fix MN868 - Structure & (&) may contain single values only

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 868

• Message text: Structure & (&) may contain single values only

Self-Explanatory Message

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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 MN868 - Structure & (&) may contain single values only ?

  The SAP error message MN868, which states "Structure & (&) may contain single values only," typically occurs in the context of material master data or when dealing with certain types of data structures in SAP. This error indicates that the system expects a single value for a particular field or structure, but it has encountered multiple values or an invalid format.
  Cause:
  
  Multiple Values in a Field: The error often arises when a field that is supposed to hold a single value is populated with multiple values or a range of values.
  Incorrect Data Entry: Users may have inadvertently entered data in a way that violates the expected format.
  Configuration Issues: There may be issues with the configuration of the material master or related data structures that are not set up to handle multiple values.
  Data Migration Issues: If data was migrated from another system, it may not conform to the expected single-value format.
  
  Solution:
  
  Check Input Values: Review the values being entered into the system. Ensure that fields that are supposed to hold single values do not contain multiple entries or ranges.
  Data Validation: Implement validation checks to ensure that only single values are allowed in the relevant fields.
  Review Configuration: Check the configuration settings for the material master or the specific data structure in question. Ensure that it is set up correctly to handle the expected data types.
  Data Cleanup: If the error is due to existing data, you may need to clean up the data in the database to ensure that it conforms to the expected format.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the structure and expected values for the fields in question.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transactions related to material management, such as MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material).
  Data Structures: Familiarize yourself with the specific data structures involved in the transaction to understand the expected formats and constraints.
  User Exits and BAdIs: If custom logic is implemented via user exits or BAdIs, review that code to ensure it does not inadvertently allow multiple values where single values are expected.
  
  By following these steps, you should be able to identify the cause of the MN868 error and implement a solution to resolve it.