How To Fix IQ137 - Serial number &2 for material &1 is already assigned to an IBase

SAP Error Message - Details

• Message type: E = Error

• Message class: IQ -

• Message number: 137

• Message text: Serial number &2 for material &1 is already assigned to an IBase

What causes this issue?

The serial number &V1& for material &V2& has already been assigned to
an installation on &V3& at &V4&.

System Response

The system cannot process the serial number entered.

How to fix this error?

The transfer from another installation is not allowed on the initial
screen. Enter the serial number on the screen intended for processing
the installation.

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 IQ137 - Serial number &2 for material &1 is already assigned to an IBase ?

  The SAP error message IQ137 indicates that a serial number for a specific material is already assigned to an Installation Base (IBase). This typically occurs in the context of managing serialized materials in SAP, particularly in the areas of service management or logistics.
  Cause:
  The error arises when you attempt to assign a serial number to an IBase that is already linked to another IBase or has already been assigned. This can happen due to:
  
  Duplicate Assignment: The serial number is already in use for another material or IBase.
  Incorrect Data Entry: There may be a mistake in the data entry process, leading to an attempt to assign a serial number that is already assigned.
  System Configuration Issues: There may be issues with how the system is configured to handle serial numbers and IBases.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Serial Number Assignment:
  
  Use transaction codes like IQ01 (Create Serial Number) or IQ02 (Change Serial Number) to check the current assignment of the serial number.
  Verify if the serial number is indeed assigned to another IBase.
  
  
  
  Reassign Serial Number:
  
  If the serial number is incorrectly assigned, you may need to unassign it from the current IBase before reassigning it to the desired one.
  Use transaction IQ02 to change the assignment.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for serial number management and IBases are correctly set up in your SAP system.
  Consult with your SAP Basis or configuration team if necessary.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to serial number management and IBases for additional guidance.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  
  Related Information:
  
  Installation Base (IBase): An IBase is a structure in SAP that represents a physical or logical entity where a product is installed. It is used in service management to track products and their associated components.
  Serial Number Management: This is a feature in SAP that allows for the tracking of individual items through unique serial numbers, which is crucial for warranty management, service history, and inventory control.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IQ01, IQ02, IQ03 (Display Serial Number), and others related to serial number management.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.