How To Fix /SAPSLL/CORE_BASIS005 - &1 is not a valid class

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSLL/CORE_BASIS -

• Message number: 005

• Message text: &1 is not a valid class

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 /SAPSLL/CORE_BASIS005 - &1 is not a valid class ?

  The SAP error message /SAPSLL/CORE_BASIS005 &1 is not a valid class typically indicates that the system is trying to reference a class that does not exist or is not recognized in the current context. This error is often related to the SAP Global Trade Services (GTS) module, which is used for managing international trade processes.
  Causes:
  
  Missing Class: The specified class may not exist in the system. This could be due to a missing transport or an incomplete installation of the GTS module.
  Incorrect Configuration: The configuration settings may be pointing to a class that has been deleted or renamed.
  Authorization Issues: The user may not have the necessary authorizations to access the class.
  Transport Issues: If the class was recently transported from another system, there may have been issues during the transport process.
  Version Mismatch: The class may exist in a different version of the software, leading to compatibility issues.
  
  Solutions:
  
  Check Class Existence: Use transaction code SE24 (Class Builder) to check if the class exists in the system. If it does not, you may need to create it or transport it from another system.
  Review Configuration: Go through the configuration settings related to the GTS module to ensure that all references to classes are correct and valid.
  Authorization Check: Ensure that the user has the necessary authorizations to access the class. You can check this using transaction SU53 after the error occurs.
  Transport Logs: If the class was recently transported, check the transport logs for any errors or warnings that may indicate why the class is not available.
  System Consistency Check: Run a consistency check on the GTS module to identify any inconsistencies or missing components.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific version of GTS you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.