How To Fix KM639 - A value must be specified for characteristic &1

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 639

• Message text: A value must be specified for characteristic &1

What causes this issue?

You cannot enter "#" for the characteristic &V1& (field &V2&).

System Response

Processing was terminated.

How to fix this error?

Enter an allowed value for the characteristic &V1&.
If you have entered an interval (or '<ZH>*</>' for all values) or a
group, you should check this interval/group, as it contains an initial
value. This is not permitted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM639 - A value must be specified for characteristic &1 ?

  The SAP error message KM639, which states "A value must be specified for characteristic &1," typically occurs in the context of SAP's classification system or when working with characteristics in various modules, such as SAP Product Lifecycle Management (PLM) or SAP Variant Configuration (VC). This error indicates that a required characteristic value has not been provided for a specific characteristic in a classification or configuration scenario.
  Cause:
  
  Missing Characteristic Value: The most common cause of this error is that a required characteristic has not been assigned a value. This can happen when creating or modifying a classification, or when configuring a product variant.
  Incorrect Configuration: If the configuration of a product or item does not meet the required specifications, it may lead to this error.
  Data Entry Errors: Users may forget to enter values for mandatory fields or may not be aware that certain characteristics are required.
  
  Solution:
  
  Check Required Characteristics: Review the characteristics associated with the object you are working on. Ensure that all required characteristics have been assigned values.
  Enter Missing Values: If you identify any characteristics that are missing values, enter the appropriate values for those characteristics.
  Review Configuration Settings: If you are working with a configurable product, ensure that the configuration settings are correct and that all mandatory characteristics are filled out.
  Consult Documentation: Refer to the relevant SAP documentation or configuration guides to understand which characteristics are mandatory for the specific object or process you are working with.
  Use Transaction Codes: If applicable, use transaction codes like CL02 (Change Class) or CL03 (Display Class) to check the characteristics and their values.
  
  Related Information:
  
  Characteristic Definition: In SAP, characteristics are attributes that define the properties of a class or object. They can be used in various applications, including material management, sales, and production.
  Classification System: SAP's classification system allows users to categorize materials and products based on their characteristics, which can be useful for reporting and analysis.
  Variant Configuration: In scenarios involving variant configuration, characteristics are used to define the options available for a product, and missing values can prevent the successful configuration of a product variant.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error message.