How To Fix M3838 - You have specified different delivery units

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 838

• Message text: You have specified different delivery units

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 M3838 - You have specified different delivery units ?

  The SAP error message M3838, which states "You have specified different delivery units," typically occurs in the context of materials management and logistics when there is a mismatch in the delivery units specified for a material or a transaction. This can happen in various scenarios, such as during the creation of purchase orders, sales orders, or when processing deliveries.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Mismatched Units of Measure: The delivery unit specified in the document does not match the unit of measure defined in the material master or the purchasing info record.
  Different Units in Different Documents: If you are trying to combine items in a single document (like a purchase order) that have different delivery units, this error can occur.
  Configuration Issues: There may be configuration settings in the system that are not aligned, leading to discrepancies in how units of measure are handled.
  
  Solution:
  To resolve the M3838 error, you can take the following steps:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03) and verify the unit of measure settings. Ensure that the base unit of measure and the delivery unit are correctly defined.
  
  
  
  Review Purchase Order or Sales Order:
  
  If the error occurs during the creation of a purchase order or sales order, check the items in the document. Ensure that all items have the same delivery unit or that they are compatible.
  
  
  
  Adjust Units of Measure:
  
  If you find discrepancies, you may need to adjust the units of measure in the relevant documents or the material master. This can involve changing the delivery unit in the document to match the material master or vice versa.
  
  
  
  Consult Configuration Settings:
  
  If the issue persists, consult with your SAP configuration team to review the settings related to units of measure in the system. They may need to adjust the configuration to ensure consistency.
  
  
  
  Test Changes:
  
  After making adjustments, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, each material can have multiple units of measure defined, including base unit, order unit, and delivery unit. Understanding how these units interact is crucial for avoiding errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), ME21N (Create Purchase Order), and VA01 (Create Sales Order) to navigate and troubleshoot effectively.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any specific patches or updates related to this error message, as there may be known issues or fixes provided by SAP.
  
  By following these steps, you should be able to identify and resolve the cause of the M3838 error in your SAP system.