How To Fix KY166 - You must change report &1 before you can display it

KY166 - Overview

• Message type: E = Error

• Message class: KY - Messages for SAP-EIS: Presentation

• Message number: 166

• Message text: You must change report &1 before you can display it

What causes this issue?

The form &V2& used in the report has been changed. To as greater degree
as possible, the reports affected are automatically adjusted. However,
in this case the change requires you to change the report as well.

System Response

The report cannot be run until you have carried out the 'Change'
function and saved.

How to fix this error?

Using the function 'Change', make all the necessary entries and then
save the report.
DEFINE &MESSAGE_TYP& = &V4&.

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KY166 - You must change report &1 before you can display it ?

  The SAP error message KY166 ("You must change report &1 before you can display it") typically occurs in the context of SAP Controlling (CO) when a user attempts to display a report that has not been saved or has been marked for changes. This message indicates that the report needs to be modified or finalized before it can be viewed.
  
  Cause:
  
  Unfinished Changes: The report has been modified but not saved, or it is in a state that requires further changes before it can be displayed.
  Authorization Issues: The user may not have the necessary authorizations to display the report in its current state.
  Report Locking: The report might be locked by another user or process, preventing it from being displayed.
  
  
  Solution:
  
  Save Changes: If you have made changes to the report, ensure that you save those changes before attempting to display it again.
  Edit the Report: If the report is in a state that requires editing,