How To Fix 42586 - No TOC written for structure (&1,&2) because the SHH key is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 586

• Message text: No TOC written for structure (&1,&2) because the SHH key is missing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 42586 - No TOC written for structure (&1,&2) because the SHH key is missing ?

  The SAP error message 42586 indicates that there is an issue with the Table of Contents (TOC) generation for a specific structure due to a missing SHH (Structure Hierarchy Header) key. This error typically arises in the context of SAP documentation or reporting where a structured output is expected, but the necessary metadata (in this case, the SHH key) is not available.
  Cause:
  
  Missing SHH Key: The primary cause of this error is that the SHH key, which is essential for generating the TOC, is not defined or is missing in the system.
  Configuration Issues: There may be configuration issues in the system that prevent the proper assignment of the SHH key to the structure.
  Data Inconsistencies: There could be inconsistencies in the data or the structure definitions that lead to the absence of the required key.
  
  Solution:
  
  
  Check SHH Key Configuration:
  
  Verify that the SHH key is correctly defined in the system. You can do this by navigating to the relevant configuration settings in SAP.
  Ensure that the structure you are working with has the appropriate SHH key assigned.
  
  
  
  Assign Missing SHH Key:
  
  If the SHH key is missing, you may need to create or assign it to the structure. This can typically be done through the relevant transaction codes or configuration paths in SAP.
  
  
  
  Review Structure Definitions:
  
  Check the definitions of the structures involved to ensure that they are correctly set up and that all necessary keys and metadata are present.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on how to manage SHH keys and TOC generation.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing structures and TOC settings, such as SE11 (Data Dictionary) or SE78 (SAP ArchiveLink).
  SAP Notes: Look for SAP Notes related to this error message for any patches or updates that may address the issue.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the error message 42586 and successfully generate the TOC for the specified structure.