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

SAP Error Message - Details

• 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, go to the report editing mode, make the necessary changes, and save it.
  Check Authorizations: Ensure that you have the appropriate authorizations to display the report. If not, contact your SAP administrator to grant the necessary permissions.
  Unlock the Report: If the report is locked, check with your team or system administrator to see if it can be unlocked or if the user who has it locked can release it.
  Create a New Report: If the report is not critical, consider creating a new report based on the same parameters or criteria.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes for report creation and modification in SAP CO, such as KSB1 (Actual Line Items), KOB1 (Order Line Items), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files related to report generation and management in the Controlling module for further insights.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional assistance.