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

1R561 - Overview

• 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