How To Fix LAY091 - Module &1 exists in layout &2 and was not replaced

LAY091 - Overview

• Message type: E = Error

• Message class: LAY - Maintain Message Class: LAY

• Message number: 091

• Message text: Module &1 exists in layout &2 and was not replaced

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.

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LAY091 - Details

• The SAP error message LAY091 indicates that a specific module (identified by &1) exists in a layout (identified by &2) and was not replaced during a layout change or update process. This error typically occurs in the context of SAP's reporting tools, such as SAP List Viewer (ALV) or SAP Query, where layouts are used to define the structure and appearance of reports.
  
  Cause:
  
  Module Exists: The specified module is already part of the layout, and the system is unable to replace it with a new module or configuration.
  Layout Locking: The layout might be locked by another user or process, preventing changes.
  Inconsistent Data: There may be inconsistencies in the layout data or configuration that prevent the update.
  Authorization Issues: The user may not have the necessary authorizations to modify the layout.
  
  
  Solution:
  
  Check Layout Configuration: Review the layout configuration to ensure that the module you are trying to replace is correctly defined and that you