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

IQ137 - Overview

• 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.

IQ137 - Details

• 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