How To Fix M2811 - Error converting quantity: unit & numerator & denominator & (doc. &)

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 811

• Message text: Error converting quantity: unit & numerator & denominator & (doc. &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M2811 - Error converting quantity: unit & numerator & denominator & (doc. &) ?

  The SAP error message M2811, which states "Error converting quantity: unit & numerator & denominator & (doc. &)", typically occurs when there is an issue with the conversion of quantities between different units of measure in the SAP system. This error can arise in various scenarios, such as during the creation of purchase orders, sales orders, or inventory management transactions.
  Causes:
  
  
  Incorrect Unit of Measure Configuration: The unit of measure (UoM) defined for the material may not be properly configured in the system. This includes issues with the base unit of measure, alternative units, or conversion factors.
  
  
  Missing Conversion Factors: If the conversion factors between the units of measure are not defined or are incorrect, the system will not be able to convert quantities properly.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the material master, such as missing or incorrect entries in the unit of measure fields.
  
  
  Document Type Issues: The document type being used may not support the units of measure being applied, leading to conversion errors.
  
  
  Numerator/Denominator Issues: The numerator and denominator values used for conversion may be zero or invalid, causing the conversion to fail.
  
  
  Solutions:
  
  
  Check Material Master Data: Go to the material master record (transaction code MM03) and verify the unit of measure settings. Ensure that the base unit of measure and any alternative units are correctly defined.
  
  
  Review Unit of Measure Conversions: In the material master, check the "Units of Measure" tab to ensure that the conversion factors between different units are correctly set up.
  
  
  Validate Document Type: Ensure that the document type you are using supports the units of measure involved in the transaction.
  
  
  Check for Zero Values: Ensure that the numerator and denominator values for the conversion are not zero or invalid. If they are, correct them in the material master.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates that may address this specific error message.
  
  
  Testing: After making changes, perform a test transaction to see if the error persists. If it does, further investigation may be needed.
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), and MM01 (Create Material) are useful for checking and updating material master data.
  Unit of Measure Configuration: The configuration of units of measure can be found in the customizing settings under Logistics > Material Management > Basic Settings > Units of Measure.
  SAP Help Portal: The SAP Help Portal provides documentation and guides on managing units of measure and material master data.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.