How To Fix 5C641 - Field '&1' could not be written

SAP Error Message - Details

• Message type: E = Error

• Message class: 5C - HR: Messages for Switzerland

• Message number: 641

• Message text: Field '&1' could not be written

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 5C641 - Field '&1' could not be written ?

  The SAP error message 5C641 indicates that a specific field (denoted as &1) could not be written during a transaction or process. This error typically arises due to issues related to data validation, field attributes, or system configuration. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Field Attributes: The field may be defined as read-only or may have restrictions that prevent it from being modified.
  Data Type Mismatch: The data being written to the field may not match the expected data type or format.
  Authorization Issues: The user may not have the necessary permissions to modify the field.
  Business Logic Constraints: There may be business rules or validations in place that prevent the field from being updated under certain conditions.
  Technical Issues: There could be underlying technical issues, such as database locks or inconsistencies in the data model.
  
  Solutions:
  
  Check Field Attributes: Review the field definition in the data dictionary (SE11) to ensure it is not set to read-only or has other restrictions.
  Validate Input Data: Ensure that the data being entered into the field conforms to the expected format and data type.
  Review Authorizations: Check the user’s authorization roles and profiles to ensure they have the necessary permissions to modify the field.
  Examine Business Logic: Investigate any custom validations or business logic that may be preventing the field from being updated. This may involve reviewing ABAP code or configuration settings.
  Debugging: If the issue persists, consider using the debugger (SE80 or SE37) to trace the execution and identify where the error occurs.
  Consult Documentation: Review SAP notes or documentation related to the specific transaction or module you are working with for any known issues or patches.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module (e.g., MM for materials management, SD for sales and distribution).
  SAP Notes: Search the SAP Support Portal for notes related to error message 5C641 for any specific fixes or recommendations.
  Community Forums: Consider checking SAP Community or other forums for similar issues reported by other users and their solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.