How To Fix IW839 - Field overflow: Choose a smaller total quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 839

• Message text: Field overflow: Choose a smaller total quantity

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 IW839 - Field overflow: Choose a smaller total quantity ?

  The SAP error message IW839, which states "Field overflow: Choose a smaller total quantity," typically occurs in the context of maintenance orders or work orders when the total quantity specified exceeds the allowable limit for a particular field in the database. This can happen in various scenarios, such as when entering quantities for materials, operations, or other components associated with the order.
  Cause:
  
  Exceeding Field Limits: The total quantity entered exceeds the maximum value that can be stored in the relevant database field. Each field in SAP has a defined data type and size, and if the input exceeds this size, the error will occur.
  Incorrect Unit of Measure: If the unit of measure (UoM) is not correctly set or if there is a mismatch between the UoM and the quantity being entered, it can lead to this error.
  Data Type Issues: The data type of the field may not support the large number being entered (e.g., integer vs. decimal).
  Configuration Issues: There may be configuration settings in the system that limit the maximum quantity that can be processed.
  
  Solution:
  
  Check Quantity: Review the quantity you are trying to enter and ensure it is within the acceptable range. If necessary, break down the total quantity into smaller increments that fit within the limits.
  Verify Unit of Measure: Ensure that the unit of measure is correct and that it aligns with the quantity being entered. If you are using a conversion factor, make sure it is applied correctly.
  Field Size Review: Consult with your SAP administrator or technical team to check the field definitions in the database. They can provide insights into the maximum values allowed for the fields in question.
  Adjust Configuration: If the error is due to configuration settings, your SAP Basis or configuration team may need to adjust the settings to allow for larger quantities, if appropriate.
  Use Alternative Methods: If the quantity is too large for a single entry, consider splitting the order or using multiple entries to achieve the desired total.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions related to maintenance orders, such as IW31 (Create Order), IW32 (Change Order), and IW33 (Display Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation for guidelines on data entry limits and field definitions to better understand the constraints of the system.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal IT team for further assistance.