How To Fix CM_EHFND_FW_FBI001 - Optimistic locking is not allowed for a GUIBB: BO &1 and node &2

CM_EHFND_FW_FBI001 - Overview

• Message type: E = Error

• Message class: CM_EHFND_FW_FBI - Message Class for Generic Feeder Classes

• Message number: 001

• Message text: Optimistic locking is not allowed for a GUIBB: BO &1 and node &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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_FBI001 - Optimistic locking is not allowed for a GUIBB: BO &1 and node &2 ?

  The SAP error message CM_EHFND_FW_FBI001 indicates that optimistic locking is not allowed for a specific GUIBB (Graphical User Interface Building Block) in the context of a Business Object (BO) and a specific node. This error typically arises in scenarios where the system is trying to perform an operation that involves optimistic locking, but the configuration or the context does not support it.
  
  Cause:
  
  
  Optimistic Locking Configuration: The error usually occurs when the system is configured to use optimistic locking, but the specific GUIBB or the underlying business object does not support it. This can happen if the business object is not designed to handle concurrent updates safely.
  
  
  Node Configuration: The specific node mentioned in the error may not be set up to allow optimistic locking, which is often used to prevent lost updates in multi-user environments.
  
  
  Data Model Issues: There may be issues with the data model or the way the business object is