How To Fix M3835 - Specify an order unit

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 835

• Message text: Specify an order unit

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 M3835 - Specify an order unit ?

  The SAP error message M3835, which states "Specify an order unit," typically occurs in the context of materials management or inventory management when the system requires a specific unit of measure for an order but it has not been provided. This can happen in various transactions, such as creating a purchase order, sales order, or during inventory management activities.
  Cause:
  
  Missing Order Unit: The most common cause is that the order unit (e.g., pieces, kilograms, liters) has not been specified in the transaction.
  Configuration Issues: There may be issues with the material master data where the order unit is not defined or is incorrectly configured.
  Data Entry Errors: Users may forget to enter the order unit or may enter it incorrectly.
  Custom Fields: If there are custom fields or enhancements in the transaction, they may not be set up correctly to handle the order unit.
  
  Solution:
  
  Specify the Order Unit: Ensure that you enter the order unit in the relevant field when creating or processing the order. This is usually a dropdown or input field where you can select the appropriate unit of measure.
  Check Material Master Data: Go to the material master record (transaction code MM03) and verify that the order unit is correctly defined for the material in question. If it is missing, you may need to update the material master (transaction code MM02).
  Review Configuration: If the issue persists, check the configuration settings in the SAP system related to units of measure. This can be done through transaction codes like OME1 (for defining units of measure) or OME2 (for defining conversion factors).
  User Training: Ensure that users are trained on the importance of specifying the order unit and how to do it correctly in the system.
  Consult Documentation: Review SAP documentation or help files for specific guidance related to the transaction you are working with.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and others where this error might occur.
  Unit of Measure Settings: Understand how units of measure are set up in SAP, including base units, alternative units, and conversion factors.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for M3835 in the SAP Support Portal.
  Support: If the issue cannot be resolved internally, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  By following these steps, you should be able to resolve the M3835 error and ensure that the order unit is specified correctly in your transactions.