How To Fix OQ_C639 - Target quantity in additional units of measure could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ_C - IS-Oil SSR : Message pool Fuels

• Message number: 639

• Message text: Target quantity in additional units of measure could not be determined

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 OQ_C639 - Target quantity in additional units of measure could not be determined ?

  The SAP error message OQ_C639, which states "Target quantity in additional units of measure could not be determined," typically occurs in the context of inventory management or production planning when there is an issue with the conversion of quantities between different units of measure (UoM). This error can arise in various scenarios, such as during goods movements, production orders, or when dealing with batch management.
  Causes:
  
  Missing Unit of Measure Conversion: The system may not have a defined conversion factor between the base unit of measure and the additional unit of measure for the material in question.
  Incorrect Material Master Data: The material master may not be set up correctly, particularly in the Units of Measure tab.
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as missing or incorrect entries in the relevant tables.
  Batch Management Issues: If the material is batch-managed, there may be issues with the batch data that prevent the system from determining the target quantity.
  Configuration Issues: There may be configuration issues in the system related to how units of measure are handled.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the Units of Measure tab.
  Ensure that the additional units of measure are defined and that the conversion factors are correctly set.
  
  
  
  Define Unit of Measure Conversions:
  
  If the conversion is missing, you can define it in the material master or through the transaction code CUNI (Unit of Measure Conversion).
  
  
  
  Review Batch Management Settings:
  
  If the material is batch-managed, ensure that the batch data is complete and correct. Check for any missing or incorrect batch information.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings related to units of measure in the SAP system. This may involve checking the settings in the IMG (Implementation Guide) under Logistics > General > Material Master > Basic Settings > Define Units of Measure.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. Sometimes, there are known issues or patches that can resolve the problem.
  
  
  
  Testing:
  
  After making changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), CUNI (Unit of Measure Conversion), and possibly others depending on the context of the error.
  SAP Documentation: Refer to SAP Help documentation for detailed information on material master data and unit of measure handling.
  User Forums and Communities: Engage with SAP community forums or user groups for additional insights and shared experiences regarding this error.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP support team or a consultant who can provide deeper analysis and troubleshooting.