How To Fix KN455 - Assign only sequential items to a group

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 455

• Message text: Assign only sequential items to a group

What causes this issue?

Errors were assigned an output group although these fields should not
be output sequentially.

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

System Response

Only the fields in an output group to be output sequentially
(highlighted) are displayed.

How to fix this error?

Change the field sequence or the group assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN455 - Assign only sequential items to a group ?

  The SAP error message KN455 ("Assign only sequential items to a group") typically occurs in the context of managing customer master data or sales documents in SAP. This error indicates that the system expects items in a certain sequence, but the items being processed do not meet this requirement.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Non-sequential Item Numbers: The items you are trying to assign to a group are not in a sequential order. For example, if you are trying to group items 1001, 1003, and 1004, the presence of 1002 would be necessary for them to be considered sequential.
  Incorrect Grouping Logic: The grouping logic defined in the system may require that items be assigned in a specific order or range, and the current selection does not comply with that logic.
  Data Entry Errors: There may be a mistake in the data entry where items were incorrectly numbered or entered.
  
  Solution:
  To resolve the KN455 error, you can take the following steps:
  
  
  Check Item Sequence: Review the items you are trying to group and ensure they are in a sequential order. If they are not, adjust the selection to include only sequential items.
  
  
  Adjust Grouping Logic: If you have control over the grouping logic, ensure that it allows for the intended grouping of items. You may need to consult with your SAP administrator or functional consultant to modify the logic if necessary.
  
  
  Data Correction: If the error is due to incorrect data entry, correct the item numbers in the master data or sales documents to ensure they are sequential.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on how to manage item groups and the requirements for sequential numbering.
  
  
  Testing: After making the necessary adjustments, test the grouping process again to ensure that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., XD01 for customer master data) that may help you navigate to the areas where you can make necessary changes.
  User Roles: Ensure that you have the appropriate permissions to make changes to item groups or customer master data, as restrictions may also lead to errors.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.