How To Fix IB_DECO134 - Serial number &2 for material &1 is already assigned to this IBase

IB_DECO134 - Overview

• Message type: E = Error

• Message class: IB_DECO - IB: Messages for IBase

• Message number: 134

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

This text is exactly the same as NA IB_DECO131

What causes this issue?

Changing an assignment by overwriting it is not allowed within an
installed base.

System Response

The entries are canceled.

How to fix this error?

To change assignments within an installed base, use the cut and insert
functions.

Error message extract from SAP system. Copyright SAP SE.

IB_DECO134 - Details

• The SAP error message IB_DECO134 indicates that a serial number for a specific material is already assigned to an Installation Base (IBase). This typically occurs in scenarios where you are trying to assign a serial number to an IBase that is already linked to that serial number.
  
  Cause:
  
  Duplicate Assignment: The serial number you are trying to assign is already associated with another IBase or the same IBase.
  Incorrect Data Entry: There may be a mistake in the data entry where the same serial number is being used for multiple materials or IBases.
  System Configuration: The system may have been configured in a way that does not allow for the reassignment of serial numbers.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like IE03 (Display Equipment) or IB01 (Create Installation Base) to check the current assignments of the serial number in question.
  Verify if the serial number is indeed assigned to another IBase or if it is already