How To Fix MG526 - Consumption values (unplanned) for material & have no header segment

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 526

• Message text: Consumption values (unplanned) for material & have no header segment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MG526 - Consumption values (unplanned) for material & have no header segment ?

  The SAP error message MG526 indicates that there are unplanned consumption values for a material that do not have a corresponding header segment. This typically occurs in the context of inventory management and material movements, particularly when dealing with consumption-based planning or when processing goods movements.
  Cause:
  
  
  Unplanned Consumption: The error arises when there are consumption values recorded for a material that are not linked to a specific document or header segment. This can happen if:
  
  There are manual entries or adjustments made to consumption values without a corresponding document.
  There are inconsistencies in the data due to system errors or incorrect postings.
  The material is being processed in a way that does not create a proper header segment (e.g., direct consumption postings).
  
  
  
  Data Integrity Issues: The underlying data may be corrupted or incomplete, leading to discrepancies between the consumption values and the expected document structure.
  
  
  Solution:
  
  
  Check Consumption Entries: Review the consumption entries for the material in question. You can use transaction codes like MB51 (Material Document List) or MB5B (Stock on Posting Date) to analyze the consumption postings.
  
  
  Verify Document Flow: Ensure that all relevant documents (like purchase orders, production orders, etc.) are correctly linked to the consumption entries. If there are missing documents, you may need to recreate or adjust them.
  
  
  Correct Data: If you identify any incorrect or orphaned entries, you may need to correct or delete them. This can be done using transaction codes like MB1A (Goods Withdrawal) or MB1B (Transfer Posting) to adjust the stock.
  
  
  Use Transaction Code MBST: If there are incorrect material documents, you can reverse them using transaction code MBST (Cancel Material Document).
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error. Sometimes, there are known issues with specific versions of SAP that have been documented.
  
  
  System Configuration: Ensure that the system configuration for material management is set up correctly. This includes checking the settings for unplanned consumption and ensuring that all necessary parameters are defined.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB51 - Material Document List
  MB5B - Stock on Posting Date
  MBST - Cancel Material Document
  MB1A - Goods Withdrawal
  MB1B - Transfer Posting
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on material management and consumption postings.
  
  
  User Forums and Communities: Engage with SAP user communities or forums (like SAP Community, Stack Overflow) to see if others have encountered similar issues and how they resolved them.
  
  
  By following these steps, you should be able to identify the cause of the MG526 error and implement a solution to resolve it.