How To Fix FKYCHK021 - Value for sequence for numbering category &1 is already assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: FKYCHK - Messages for Check Processing

• Message number: 021

• Message text: Value for sequence for numbering category &1 is already assigned

What causes this issue?

Within the usage type (check/replacement check), you must assign
different values for the sequence to the individual lots. These values
determine the sequence for check number lots within the same usage
(check/replacement check).

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?

Change the values for the sequence.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKYCHK021 - Value for sequence for numbering category &1 is already assigned ?

  The SAP error message FKYCHK021 indicates that there is an issue with the numbering sequence for a specific numbering category. This error typically occurs when you attempt to assign a value to a sequence that has already been assigned or used in the system.
  Cause:
  The error is caused by one of the following reasons:
  
  Duplicate Assignment: The value you are trying to assign to the numbering category has already been assigned to another document or entry in the system.
  Incorrect Configuration: The configuration for the numbering category may not be set up correctly, leading to conflicts in the sequence.
  Data Entry Error: There may be a mistake in the data entry process, such as trying to use a number that is already in use.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the relevant transaction or table where the numbering category is defined (e.g., transaction code OBA7 for number ranges).
  Verify if the value you are trying to assign is already in use. If it is, you will need to choose a different value.
  
  
  
  Adjust Number Range Configuration:
  
  If the numbering category is configured incorrectly, you may need to adjust the number range settings.
  Use transaction code SNRO to check and maintain number ranges. Ensure that the number range intervals are correctly defined and that there are no overlaps.
  
  
  
  Review Document Flow:
  
  If the value is being used in a document flow, check the related documents to understand where the conflict arises. You may need to adjust the document or its number.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on the numbering category you are working with.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific configuration and usage.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SNRO: Number Range Objects
  OBA7: Number Range Maintenance for Document Types
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional troubleshooting steps or patches.
  Documentation: Review the SAP Help Portal for detailed information on number range management and configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.