How To Fix F5638 - Quantity and unit of measurement are not consistent

F5638 - Overview

• Message type: E = Error

• Message class: F5 - Document Editing

• Message number: 638

• Message text: Quantity and unit of measurement are not consistent

What causes this issue?

Quantity was entered without a unit of quantity or vice versa.

System Response

Incorrect entry.

How to fix this error?

Enter consistent quantity specifications.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F5638 - Quantity and unit of measurement are not consistent ?

  The SAP error message F5638, which states "Quantity and unit of measurement are not consistent," typically occurs in the context of financial transactions, particularly when dealing with materials or inventory management. This error indicates that there is a mismatch between the quantity of an item and its unit of measurement in a transaction.
  Causes:
  
  
  Unit of Measurement (UoM) Configuration: The unit of measurement defined for the material may not match the quantity being entered. For example, if a material is defined in kilograms but the quantity is entered in grams, this inconsistency will trigger the error.
  
  
  Incorrect Quantity Entry: The user may have entered a quantity that does not correspond to the expected unit of measurement. For instance, entering a whole number when a decimal is expected.
  
  
  Material Master Data Issues: The material master data may not be correctly set up, leading to discrepancies in how quantities and units of measurement are defined.
  
  
  Conversion Factors: