How To Fix M2138 - Info structure & not yet saved

M2138 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 138

• Message text: Info structure & not yet saved

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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Smart SAP Assistant

• What is the cause and solution for SAP error message M2138 - Info structure & not yet saved ?

  The SAP error message M2138, which states "Info structure & not yet saved," typically occurs in the context of Material Management (MM) and is related to the use of information structures in the system. This error indicates that the information structure you are trying to access or manipulate has not been saved yet, which can prevent further processing.
  
  Cause:
  
  Unsaved Changes: The most common cause of this error is that the information structure has been created or modified but not saved in the system.
  Incomplete Configuration: The information structure may not be fully configured or activated, leading to this error when attempting to use it.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to save changes to the information structure.
  
  
  Solution:
  
  
  Save the Information Structure: 
  
  Navigate to the relevant transaction (usually in the area of information structures, such as MC21 for creating or changing info structures).
  Ensure that all required fields are filled out