IB_DECO126 - Material &1 exists in another installed base

SAP Error Message - Details

• Message type: E = Error

• Message class: IB_DECO - IB: Messages for IBase

• Message number: 126

• Message text: Material &1 exists in another installed base

What causes this issue?

Material &V1& is currently assigned to installed base &V3&. The
installed base that you entered (&V2&) deviates from this.

System Response

The system continues to work with installed base &V3&.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IB_DECO126 - Material &1 exists in another installed base ?

  The SAP error message IB_DECO126 indicates that a specific material (denoted as &1) is already associated with another installed base. This typically occurs in the context of SAP's Installed Base (IB) functionality, which is used to manage and track the lifecycle of products and their components.
  Cause:
  The error arises when you attempt to assign a material to an installed base that is already linked to a different installed base. This can happen due to:
  
  Duplicate Assignment: The material is already assigned to another installed base, and SAP does not allow multiple assignments for the same material.
  Incorrect Data Entry: There may be a mistake in the data entry process, leading to an attempt to assign the same material to multiple installed bases.
  System Configuration: The system may be configured in a way that restricts the assignment of materials to installed bases.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction codes like IE03 (Display Installed Base) or IB01 (Create Installed Base) to check the current assignments of the material in question.
  Identify the installed base that currently has the material assigned.
  
  
  
  Reassign the Material:
  
  If the material needs to be moved to a different installed base, you may need to first remove it from the current installed base using the appropriate transaction (e.g., IB02 for changing an installed base).
  After removing it, you can then assign it to the desired installed base.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to Installed Base management to ensure you are following the correct procedures.
  
  
  
  Check User Authorizations:
  
  Ensure that you have the necessary authorizations to make changes to installed bases and materials.
  
  
  
  Contact SAP Support:
  
  If the issue persists or if you suspect a system error, consider reaching out to your SAP support team or SAP directly for further assistance.
  
  
  
  Related Information:
  
  Installed Base Management: Understanding how installed bases work in SAP can help prevent such errors. Familiarize yourself with the concepts of installed bases, materials, and their relationships.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  IE01: Create Installed Base
  IE02: Change Installed Base
  IE03: Display Installed Base
  IB01: Create Installed Base
  IB02: Change Installed Base
  IB03: Display Installed Base
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to resolve the error and manage your installed bases effectively.