How To Fix C$640 - You have not selected a value assignment type

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 640

• Message text: You have not selected a value assignment type

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message C$640 - You have not selected a value assignment type ?

  The SAP error message C$640, which states "You have not selected a value assignment type," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost centers, internal orders, or other value assignment scenarios. This error indicates that the system requires a value assignment type to proceed with the transaction or process you are attempting to execute.
  Cause:
  
  Missing Value Assignment Type: The most common cause of this error is that the user has not selected a value assignment type in the relevant screen or transaction. This could happen if the field is left blank or if the user navigates away from the field without making a selection.
  Configuration Issues: There may be configuration settings in the system that require a value assignment type to be defined for certain transactions or processes.
  User Role/Authorization: The user may not have the necessary authorizations to access or select the value assignment type.
  
  Solution:
  
  
  Select a Value Assignment Type: 
  
  Go back to the screen where the error occurred and ensure that you select a valid value assignment type from the available options. This is usually a dropdown menu or selection field.
  
  
  
  Check Configuration:
  
  If you are a system administrator or have access to configuration settings, check the configuration for the relevant module (e.g., CO) to ensure that value assignment types are properly defined and available for selection.
  You can do this by navigating to the relevant configuration path in SPRO (SAP Project Reference Object) and reviewing the settings for value assignment types.
  
  
  
  User Authorization:
  
  Ensure that the user has the necessary authorizations to access and select the value assignment type. This may involve checking user roles and permissions in the user management section of SAP.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or help resources for more detailed guidance on the specific transaction or process you are working with.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to cost accounting, such as KSB1 (Cost Centers: Actual Line Items), KO03 (Display Order), etc.
  SAP Notes: Check SAP Notes for any updates or patches that may address this error.
  User Training: Ensure that users are trained on the importance of selecting the correct value assignment type and how to navigate the relevant screens.
  
  By following these steps, you should be able to resolve the C$640 error and proceed with your SAP transactions.