How To Fix IQ124 - Serial number &1 is assigned to material &2 but not to material &3

IQ124 - Overview

• Message type: E = Error

• Message class: IQ -

• Message number: 124

• Message text: Serial number &1 is assigned to material &2 but not to material &3

What causes this issue?

Serial number &V1& is assigned to material &V2& in installed base
management. The specified material number &V3& deviates from this.

System Response

The system stops processing material number &V2&.

How to fix this error?

This can occur if the material number for the serial number was
changed. For example, by material postings or directly.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IQ124 - Serial number &1 is assigned to material &2 but not to material &3 ?

  The SAP error message IQ124 indicates a problem related to serial number management in the SAP system. Specifically, it means that a serial number is assigned to one material but is being referenced or attempted to be assigned to another material, which is not allowed.
  
  Cause:
  
  Serial Number Assignment: The serial number in question is already assigned to a specific material (Material &2) and cannot be reassigned to another material (Material &3).
  
  Configuration Issues: There may be configuration settings in the system that dictate how serial numbers are managed and assigned.
  Data Integrity Issues: There could be inconsistencies in the data, such as incorrect material master records or serial number records.
  
  
  Solution:
  
  
  Check Serial Number Assignment:
  
  Verify the serial number assignment in the system. Use transaction codes like IQ01 (Create Serial Number), IQ02 (Change Serial Number), or IQ03 (Display Serial Number) to check the details of the serial number and its assigned material.
  Ensure that the serial number