How To Fix IQ134 - Serial number &2 for material &1 is already assigned to this IBase

IQ134 - Overview

• Message type: E = Error

• Message class: IQ -

• Message number: 134

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

What causes this issue?

A change to the assignment by simply overwriting is not possible within
an installed base.

System Response

The entries are canceled.

How to fix this error?

Use the functions 'Cut' and 'Paste' to change an assignment within an
installed base.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IQ134 - Serial number &2 for material &1 is already assigned to this IBase ?

  The SAP error message IQ134 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 SAP Customer Relationship Management (CRM) or SAP Plant Maintenance (PM) modules.
  
  Cause:
  The error arises when you attempt to assign a serial number to an IBase that is already linked to that serial number. This can happen due to various reasons, such as:
  
  The serial number has already been assigned to another IBase.
  There is an attempt to reassign a serial number that is already in use.
  Data inconsistencies or errors in the system.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Serial Number Assignment:
  
  Use transaction codes like IQ01 (Create Serial Number), IQ02 (Change Serial Number), or IQ03 (Display Serial Number) to check the current assignment of the serial number.
  Verify if the serial number is indeed assigned