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

OQ_C639 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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