How To Fix MW225 - Conversion not possible (rest:&)

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 225

• Message text: Conversion not possible (rest:&)

What causes this issue?

The conversion into the entered unit of measure cannot be carried
out because errors occurred when rounding.

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW225 - Conversion not possible (rest:&) ?

  The SAP error message MW225 "Conversion not possible (rest:&)" typically occurs in the context of inventory management or material movements when the system is unable to convert a quantity of material from one unit of measure to another. This can happen for various reasons, and understanding the cause is essential for resolving the issue.
  Causes:
  
  
  Unit of Measure Configuration: The unit of measure (UoM) for the material may not be properly defined in the material master. This includes the base unit of measure and any alternative units of measure.
  
  
  Conversion Factor Missing: There may be a missing or incorrect conversion factor between the units of measure. For example, if you are trying to convert from kilograms to grams, the system needs to know that 1 kg = 1000 g.
  
  
  Material Master Data Issues: The material master data may be incomplete or incorrect, particularly in the area of units of measure.
  
  
  Stock Type Issues: The stock type (e.g., unrestricted, quality inspection, blocked) may not allow for the conversion or movement of the material.
  
  
  Quantity Issues: The quantity being processed may not be valid for the conversion, such as trying to convert a negative quantity or a quantity that exceeds available stock.
  
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify the unit of measure settings. Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  
  
  
  Verify Conversion Factors:
  
  Check the conversion factors for the material. You can do this in the material master under the "Units of Measure" view. Ensure that the conversion factors are correctly set up.
  
  
  
  Review Stock Types:
  
  Ensure that the stock type you are working with allows for the conversion or movement of the material. If necessary, move the stock to a different type that permits the operation.
  
  
  
  Check Quantity Validity:
  
  Ensure that the quantity you are trying to convert is valid. Check for negative quantities or quantities that exceed available stock.
  
  
  
  Consult SAP Notes:
  
  Sometimes, specific issues may be documented in SAP Notes. Check the SAP Support Portal for any relevant notes that may address this error.
  
  
  
  Testing in a Sandbox:
  
  If possible, replicate the issue in a sandbox environment to test different scenarios and configurations without affecting production data.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MMBE (Stock Overview), and MB1A (Goods Withdrawal) to troubleshoot the issue.
  SAP Help Documentation: Refer to SAP's official documentation for detailed information on material management and unit of measure conversions.
  User Forums and Communities: Engage with SAP user communities or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the MW225 error and implement a solution to resolve it.