How To Fix W+388 - Quantities are not allowed any decimal places

SAP Error Message - Details

• Message type: E = Error

• Message class: W+ -

• Message number: 388

• Message text: Quantities are not allowed any decimal places

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W+388 - Quantities are not allowed any decimal places ?

  The SAP error message W+388, which states "Quantities are not allowed any decimal places," typically occurs in the context of inventory management or material movements where the system expects whole number quantities but receives a decimal value instead. This can happen in various transactions, such as goods receipts, goods issues, or stock transfers.
  Cause:
  
  Material Master Settings: The material in question may be configured to only allow whole number quantities. This is often set in the material master data under the "Basic Data" or "Purchasing" views.
  Unit of Measure (UoM): The unit of measure assigned to the material may not support decimal quantities. For example, if the UoM is set to "pieces" or "units," it typically does not allow for decimal values.
  Transaction Type: Certain transaction types or movement types may have restrictions on the quantity format, leading to this error when decimal quantities are attempted.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03).
  Check the "Basic Data" and "Purchasing" views to see if the quantity field is set to allow decimals.
  If necessary, adjust the settings to allow decimal quantities, if appropriate for your business process.
  
  
  
  Review Unit of Measure:
  
  Ensure that the unit of measure assigned to the material allows for decimal quantities. You can check this in the material master under the "Units of Measure" tab.
  If the UoM does not allow decimals, consider changing it to a unit that does (e.g., from "pieces" to "kilograms" if applicable).
  
  
  
  Adjust Transaction Input:
  
  If the transaction you are trying to execute does not support decimal quantities, ensure that you are entering whole numbers only.
  Review the input data for any inadvertent decimal entries.
  
  
  
  Consult with Configuration Team:
  
  If you believe the settings should allow decimals but are still encountering issues, consult with your SAP configuration team to review the settings and make necessary adjustments.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation regarding material management and unit of measure settings for further insights.
  User Training: Ensure that users are trained on the correct input formats for transactions to minimize errors.
  
  By following these steps, you should be able to resolve the W+388 error and ensure that your transactions proceed smoothly.