How To Fix TT366 - CAT_START was canceled by user with /n

TT366 - Overview

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 366

• Message text: CAT_START was canceled by user with /n

What causes this issue?

The transaction which executed the CATT procedure has been cancelled.

System Response

The user has cancelled the transaction in foreground processing with
the OK Code /n. This cancellation affects the entire execution which
was called via the function module CAT_START, not only the current
procedure as in /bn. You can go to the log display despite the
cancellation.
&WHAT_TO_DO& Use the OK-Code /bn to end the current foreground
transaction if you do not want to cancel the execution as well.

Error message extract from SAP system. Copyright SAP SE.

TT366 - Details

• The SAP error message TT366 "CAT_START was canceled by user" typically occurs when a user cancels a transaction or process that was initiated in the SAP system. The message indicates that the user has interrupted the execution of a transaction, which in this case is related to the CAT (CATS - Cross-Application Time Sheet) functionality.
  
  Cause:
  
  User Intervention: The most common cause is that the user manually canceled the transaction by pressing the cancel button or using the /n command, which is used to terminate the current transaction in SAP.
  System Timeout: If the system takes too long to process a request, the user might cancel it out of frustration.
  Navigation Issues: Users may inadvertently cancel a transaction while navigating through the SAP GUI.
  Error in Data Entry: If the user realizes that they have entered incorrect data, they might choose to cancel the transaction.
  
  
  Solution:
  
  Re-initiate the Transaction: If the cancellation was unintentional, the user can