How To Fix APB_FPM_GUIBB126 - Swap UIBB exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: APB_FPM_GUIBB -

• Message number: 126

• Message text: Swap UIBB exists already

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 APB_FPM_GUIBB126 - Swap UIBB exists already ?

  The SAP error message APB_FPM_GUIBB126: "Swap UIBB exists already" typically occurs in the context of the Floorplan Manager (FPM) when working with UI Building Blocks (UIBBs) in an application. This error indicates that there is an attempt to swap or replace a UIBB that is already present in the application layout, which is not allowed.
  
  Cause:
  
  Duplicate UIBB Configuration: The error usually arises when there is a configuration issue where the same UIBB is being added multiple times to the same area of the application layout.
  Incorrect Logic in Application: The logic in the application might be trying to swap a UIBB that is already in use, leading to this conflict.
  State Management Issues: If the application is not managing the state of UIBBs correctly, it may lead to attempts to swap UIBBs that are already present.
  
  
  Solution:
  
  Check Configuration: Review the configuration of the FPM application to ensure that UIBBs are not being defined multiple