How To Fix KB421 - No plan line items were selected

KB421 - Overview

• Message type: E = Error

• Message class: KB - Controlling: Reporting

• Message number: 421

• Message text: No plan line items were selected

What causes this issue?

No planned costs line items were found.
Possible explanations:
No plan line items are written
You have no authorization for these line items
You have activated criteria that exceed the initial screen (by means of
the 'Further selection criteria' function).

How to fix this error?

RESET N1
Activate the update function of the plan line items
In your user master, check which authorizations you have for reporting
or change the selection criteria.

Error message extract from SAP system. Copyright SAP SE.

KB421 - Details

• The SAP error message KB421 ("No plan line items were selected") typically occurs in the context of planning and budgeting within the SAP system, particularly when working with cost centers, internal orders, or other planning-related transactions. This error indicates that the system could not find any line items that meet the selection criteria specified in the planning transaction.
  Causes:
  
  Selection Criteria: The selection criteria you have entered may not match any existing planning line items. This could be due to incorrect fiscal year, period, or other parameters.
  No Planning Data: There may be no planning data available for the specified cost center, internal order, or other objects you are trying to plan for.
  Authorization Issues: Lack of proper authorizations to view or edit planning data can also lead to this error.
  Data Deletion: Planning data may have been deleted or not yet created for the specified period or object.
  Incorrect Version: You may be trying to