How To Fix QC016 - Number &1 is already used

SAP Error Message - Details

• 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 like QM01 for notifications or QA32 for inspection lots).
  
  
  Use a Different Number: If the number is indeed in use, you will need to select a different number that is not currently assigned.
  
  
  Review Number Range Configuration: Check the configuration of the number ranges for the relevant object type. Ensure that the number ranges are correctly defined and that there are no overlaps or gaps.
  
  
  Consult with SAP Basis or Functional Team: If you suspect that the issue is related to number range configuration or if you need to adjust the number range, consult with your SAP Basis or functional team for assistance.
  
  
  Clear Cache: In some cases, clearing the SAP GUI cache or refreshing the session may help resolve temporary issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QM01 (Create Quality Notification), QA32 (Display Inspection Lot), and others related to Quality Management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for specific notes that may address this error.
  Documentation: Review SAP documentation related to Quality Management and number range management for best practices and configuration guidelines.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your SAP support team for further investigation.