How To Fix BT018 - Select only one trace activation type

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 018

• Message text: Select only one trace activation type

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT018 - Select only one trace activation type ?

  The SAP error message BT018, which states "Select only one trace activation type," typically occurs when a user attempts to activate multiple trace types simultaneously in the SAP system. This error is related to the Business Transaction (BT) trace functionality, which is used for performance analysis and debugging.
  Cause:
  The error arises when the user tries to select more than one trace activation type in the trace configuration screen. The system expects only one type of trace to be activated at a time, and selecting multiple options violates this requirement.
  Solution:
  To resolve the BT018 error, follow these steps:
  
  
  Review Trace Activation Options: Go to the trace activation screen where you encountered the error. Check the options you have selected.
  
  
  Select a Single Trace Type: Deselect all but one of the trace activation types. Ensure that only one option is selected.
  
  
  Save Changes: After making the necessary adjustments, save your changes and attempt to activate the trace again.
  
  
  Check Documentation: If you are unsure about which trace type to select, refer to the SAP documentation or help resources for guidance on the purpose of each trace type.
  
  
  Consult with Colleagues or SAP Support: If you continue to experience issues or are unsure about the correct trace type to use, consider consulting with colleagues who have experience with SAP tracing or reach out to SAP support for assistance.
  
  
  Related Information:
  
  Trace Types: Common trace types in SAP include performance traces, SQL traces, and application traces. Each serves a different purpose in monitoring and analyzing system performance.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST05 (SQL Trace), ST12 (Combined Trace), and ST01 (System Trace) for more detailed tracing options.
  SAP Notes: Check SAP Notes for any updates or specific fixes related to the BT018 error, as there may be patches or recommendations provided by SAP.
  
  By following these steps, you should be able to resolve the BT018 error and successfully activate the desired trace in your SAP system.