How To Fix 1R561 - Unknown index space for document class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 561

• Message text: Unknown index space for document class &1

What causes this issue?

Calling document &V2&, class &V1& for indexing led to exception &V3&.
This suggests that a class &V1& index space is wrongly maintained.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1R561 - Unknown index space for document class &1 ?

  The SAP error message 1R561 ("Unknown index space for document class &1") typically occurs in the context of SAP ArchiveLink, which is used for document management and archiving within SAP systems. This error indicates that the system is unable to find the index space associated with a specific document class.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Index Space: The index space for the specified document class has not been created or is not properly configured in the system.
  Incorrect Document Class: The document class specified in the error message may be incorrect or not defined in the system.
  Configuration Issues: There may be issues with the configuration of ArchiveLink or the underlying database that stores the index information.
  Transport Issues: If the document class was transported from another system, the index space may not have been transported correctly.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Document Class Configuration:
  
  Go to the ArchiveLink administration (transaction code OAC0).
  Verify that the document class mentioned in the error message is correctly defined and configured.
  
  
  
  Create or Adjust Index Space:
  
  If the index space does not exist, you may need to create it. This can typically be done in the ArchiveLink settings.
  Ensure that the index space is correctly linked to the document class.
  
  
  
  Check for Transport Issues:
  
  If the document class was recently transported, ensure that all necessary components, including the index space, were included in the transport request.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction code SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to ArchiveLink and the specific document class for any additional configuration steps or troubleshooting tips.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OAC0: ArchiveLink Administration
  SLG1: Application Log
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues or provide additional guidance related to ArchiveLink and document classes.
  Documentation: Review the SAP Help Portal for detailed information on ArchiveLink configuration and management.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 1R561 in your SAP system.