How To Fix SL135 - not sent

SAP Error Message - Details

• Message type: E = Error

• Message class: SL - System log

• Message number: 135

• Message text: not sent

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 SL135 - not sent ?

  The SAP error message SL135, which states "Not sent," typically occurs in the context of the SAP system's communication with external systems or during the processing of certain transactions. This error can arise in various scenarios, such as when trying to send data to an external system, during IDoc processing, or when using certain SAP modules that require communication with other systems.
  Possible Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to communication failures.
  Authorization Issues: The user or system may not have the necessary permissions to send the data.
  Data Issues: The data being sent may not meet the required format or validation rules, causing the transmission to fail.
  System Errors: There may be temporary issues with the SAP system or the external system that prevent successful communication.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can communicate with the external system. This can be done by pinging the external system or checking network settings.
  Review Configuration Settings: Verify that all relevant configuration settings in both the SAP system and the external system are correct. This includes settings for RFC connections, IDoc processing, or any other relevant communication protocols.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to perform the action that is resulting in the error.
  Validate Data: Review the data being sent to ensure it meets all required formats and validation rules. Correct any discrepancies before attempting to resend.
  Monitor System Logs: Check the SAP system logs (transaction codes like SLG1 for application logs) for more detailed error messages that can provide additional context on why the message was not sent.
  Retry Sending: After addressing any identified issues, attempt to resend the data or transaction that resulted in the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE02 (IDoc display), WE19 (IDoc test), and SLG1 (Application log) to troubleshoot further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to error SL135.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with to understand any additional requirements or configurations needed.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.