How To Fix FBS_SE202 - Field value must not be changed (field &1, old: &3, new: &2)

FBS_SE202 - Overview

• Message type: E = Error

• Message class: FBS_SE - Messages for Transfer of FIN-MDM Data

• Message number: 202

• Message text: Field value must not be changed (field &1, old: &3, new: &2)

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.

FBS_SE202 - Details

• The SAP error message FBS_SE202 ("Field value must not be changed (field &1, old: &3, new: &2)") typically occurs in the context of financial transactions or document processing, particularly when there is an attempt to change a field value that is not allowed due to business rules or system constraints.
  
  Cause:
  
  Field Restrictions: The field in question is likely defined as non-changeable after a certain point in the transaction lifecycle. For example, once a financial document is posted, certain fields (like amounts, account numbers, etc.) may be locked to prevent inconsistencies.
  Document Status: The document may be in a status that does not allow changes. For instance, if a document is already cleared or settled, changes to certain fields may be prohibited.
  Custom Logic: There may be custom validations or enhancements (like user exits or BAdIs) that enforce additional rules on field changes.
  
  
  Solution:
  
  Review Field Change Logic: Check the configuration or custom code related to