How To Fix SL266 - terminated: read error

SAP Error Message - Details

• Message type: E = Error

• Message class: SL - System log

• Message number: 266

• Message text: terminated: read error

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 SL266 - terminated: read error ?

  The SAP error message SL266, which indicates a "terminated: read error," typically occurs during the execution of a program or transaction in the SAP system. This error can be caused by various factors, including issues with data retrieval, database connectivity, or problems with the underlying program logic.
  Causes:
  
  Database Connectivity Issues: The SAP system may be unable to connect to the database, leading to read errors.
  Data Corruption: Corrupted data in the database can cause read errors when the system attempts to access it.
  Program Logic Errors: Bugs or issues in the ABAP code or program logic can lead to unexpected read errors.
  Resource Limitations: Insufficient memory or other system resources can cause read operations to fail.
  Lock Conflicts: If another process is holding a lock on the data being accessed, it may lead to read errors.
  
  Solutions:
  
  Check Database Connectivity: Ensure that the database is up and running and that the SAP system can connect to it without issues.
  Review Logs: Check the SAP system logs (transaction SM21) and the developer trace files (transaction ST22) for more detailed error messages that can provide insights into the cause of the read error.
  Data Consistency Check: Use transaction DB02 to check for database consistency and perform necessary repairs if corruption is detected.
  Debugging: If the error is related to a specific program, use the ABAP debugger to step through the code and identify where the read error occurs.
  Increase Resources: If resource limitations are suspected, consider increasing the memory allocation or optimizing the system performance.
  Check for Locks: Use transaction SM12 to check for any locks on the database tables that might be causing the read error and resolve them if necessary.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), DB02 (Database Performance), and SM12 (Lock Entries).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation and community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the SL266 read error in your SAP system.