How To Fix ISLM_API256 - Error saving generated class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 256

• Message text: Error saving generated class &1

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 ISLM_API256 - Error saving generated class &1 ?

  The SAP error message ISLM_API256, which states "Error saving generated class &1," typically occurs during the generation or activation of ABAP classes in the SAP system. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to create or modify classes in the system.
  Transport Issues: If the system is in a transport request, there may be issues related to the transport layer or the request itself.
  Syntax Errors: There may be syntax errors in the ABAP code that prevent the class from being saved.
  Database Issues: Problems with the database, such as locks or connectivity issues, can also lead to this error.
  System Configuration: Misconfigurations in the SAP system or issues with the development environment can cause this error.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create or modify classes. This can be done by checking the user's roles and authorizations in transaction SU53 or SUIM.
  Review Code for Errors: Check the ABAP code for any syntax errors or issues. Use transaction SE80 or SE38 to review the code and ensure it compiles without errors.
  Check Transport Request: If the class is being created in a transport request, ensure that the request is correctly configured and not locked. You can check this in transaction SE09 or SE10.
  Database Check: Investigate any database issues. Check for locks using transaction SM12 and ensure that the database is functioning correctly.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Restart the Development Environment: Sometimes, simply restarting the development environment or the SAP GUI can resolve temporary issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE38 (ABAP Editor), SE09/SE10 (Transport Organizer), and SM12 (Lock Entries).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other ABAP-related forums for insights from other developers who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.