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

FKYCHK021 - Overview

• 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