How To Fix QC016 - Number &1 is already used

QC016 - Overview

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 016

• Message text: Number &1 is already used

What causes this issue?

The selected number &V1& is already present in the list.

System Response

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

How to fix this error?

Select a different number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QC016 - Number &1 is already used ?

  The SAP error message QC016 ("Number &1 is already used") typically occurs in the context of Quality Management (QM) when you are trying to create or process a quality notification, inspection lot, or similar object, and the system detects that the number you are trying to use is already assigned to another object.
  
  Cause:
  
  Duplicate Number Assignment: The number you are trying to use is already assigned to another quality notification, inspection lot, or similar object in the system.
  Number Range Issues: The number range configuration for the relevant object may not be set up correctly, leading to conflicts.
  Data Entry Error: There may have been a mistake in data entry, where the same number was inadvertently entered multiple times.
  
  
  Solution:
  
  
  Check Existing Records: Verify if the number you are trying to use is already assigned to another object. You can do this by searching for the number in the relevant transaction (e.g., using transaction codes