How To Fix D0521 - STDO: Log with ID & is already closed

D0521 - Overview

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 521

• Message text: STDO: Log with ID & is already closed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0521 - STDO: Log with ID & is already closed ?

  The SAP error message D0521, which states "STDO: Log with ID & is already closed," typically occurs in the context of logging or tracing activities within SAP systems. This error indicates that an attempt was made to access or manipulate a log that has already been closed, meaning that the log is no longer available for further operations.
  
  Cause:
  
  Log Closure: The log with the specified ID has been closed, either automatically by the system after a certain period or manually by a user or process.
  Incorrect Log ID: The log ID being referenced may be incorrect or does not exist in the current context.
  Timing Issues: There may be timing issues where the log is being accessed after it has been closed due to the sequence of operations.
  
  
  Solution:
  
  Check Log Status: Verify the status of the log with the specified ID. You can do this by using transaction codes like SLG1 (Application Log) to