How To Fix /SAPAPO/MAT039 - Check conversion to alternative units of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 039

• Message text: Check conversion to alternative units of measure

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 /SAPAPO/MAT039 - Check conversion to alternative units of measure ?

  The SAP error message /SAPAPO/MAT039 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the conversion of units of measure for a material. This error can arise in various scenarios, such as during planning, order processing, or when working with material master data.
  Cause:
  The error message /SAPAPO/MAT039 indicates that there is a problem with the conversion of the material's units of measure. Common causes include:
  
  
  Missing Conversion Factors: The necessary conversion factors between the base unit of measure and the alternative units of measure are not defined in the material master.
  
  
  Incorrect Unit of Measure: The unit of measure being used may not be valid or recognized in the system.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the material master, such as incorrect settings in the unit of measure or the alternative unit of measure.
  
  
  Configuration Issues: There may be issues with the configuration of the units of measure in the system, such as missing entries in the relevant tables.
  
  
  Solution:
  To resolve the error /SAPAPO/MAT039, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify that the base unit of measure and alternative units of measure are correctly defined.
  Ensure that conversion factors are specified for all relevant units of measure.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master under the "Units of Measure" view.
  Ensure that the conversion factors are accurate and reflect the correct relationship between the units.
  
  
  
  Validate Unit of Measure:
  
  Check if the unit of measure being used is valid and exists in the system.
  You can use transaction code CUNI to manage units of measure and their conversions.
  
  
  
  Review Configuration:
  
  If the issue persists, review the configuration settings related to units of measure in the system.
  Ensure that all necessary settings are in place and that there are no missing entries in the relevant configuration tables.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the changes by attempting the action that previously triggered the error to ensure that it has been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  MM02: Change Material Master
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message. You can search for notes in the SAP Support Portal.
  
  
  Documentation: Refer to SAP documentation for detailed information on material master data management and unit of measure configuration.
  
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/MAT039 error message in your SAP system.