How To Fix SL165 - &1&2 messages will be omitted in the next formatting

SAP Error Message - Details

• Message type: E = Error

• Message class: SL - System log

• Message number: 165

• Message text: &1&2 messages will be omitted in the next formatting

What causes this issue?

A completion message, not a problem.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The effect of omitting messages only becomes apparent if the system log
analysis is <ZH>re-formatted</>.
How can this action be reversed?
<NP>Back</> to the selectin screen. Select the menu <LS>Settings ->
Further restrictions</> or press <LS>F11=Further restrictions</>. Under
<LS>Excepted system log messages</>, overwrite the incorrect entry with
blanks.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SL165 - &1&2 messages will be omitted in the next formatting ?

  The SAP error message SL165 typically indicates that there is an issue with the formatting of messages in the system. The message itself suggests that certain messages (identified by &1 and &2) will be omitted in the next formatting process due to a specific condition or error.
  Cause:
  The cause of this error can vary, but it often relates to:
  
  Message Configuration: There may be a configuration issue with the message types or the way messages are set up in the system.
  Data Issues: The data being processed may not meet the required criteria for the messages to be formatted correctly.
  System Settings: There could be settings in the SAP system that are preventing the messages from being processed as expected.
  
  Solution:
  To resolve the SL165 error, you can take the following steps:
  
  
  Check Message Configuration:
  
  Go to the relevant configuration settings in SAP (transaction codes like SPRO) and verify the message types and their settings.
  Ensure that the messages you are trying to format are correctly defined and active.
  
  
  
  Review Data:
  
  Check the data that is being processed when the error occurs. Ensure that all required fields are populated and that the data adheres to the expected formats.
  Look for any inconsistencies or missing information that could lead to the omission of messages.
  
  
  
  System Logs:
  
  Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Look for any related messages that might indicate what is causing the formatting issue.
  
  
  
  Testing:
  
  If possible, try to replicate the issue in a test environment to better understand the conditions under which the error occurs.
  Test with different sets of data to see if the issue persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information about the SL165 message and its implications.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant logs or data.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SLG1 (for logs), and others that may be pertinent to your specific SAP module.
  SAP Notes: Check the SAP Support Portal for any notes related to SL165, as there may be specific patches or updates that address known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the SL165 error and implement a solution to resolve it.