How To Fix CMM_INDEX006 - Cannot read the preceding purchase document header entries

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_INDEX - Commodity Management Index Table

• Message number: 006

• Message text: Cannot read the preceding purchase document header entries

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMM_INDEX006 - Cannot read the preceding purchase document header entries ?

  The SAP error message CMM_INDEX006 ("Cannot read the preceding purchase document header entries") typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions. This error indicates that the system is unable to retrieve the header information for a preceding document that is necessary for processing the current transaction.
  Causes:
  
  Missing Document: The preceding purchase document may have been deleted or does not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to view the preceding document.
  Data Inconsistency: There may be inconsistencies in the database, such as missing entries or corruption in the document header data.
  System Configuration: Incorrect configuration settings in the purchasing module may lead to issues in document retrieval.
  Transport Issues: If the system has recently undergone a transport of changes, it may have affected the integrity of the data.
  
  Solutions:
  
  Check Document Existence: Verify that the preceding purchase document exists in the system. You can do this by using transaction codes like ME23N (Display Purchase Order) or ME53N (Display Purchase Requisition).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the preceding document. This can be checked with the help of your SAP security team.
  Data Consistency Check: Run consistency checks on the purchasing documents. You can use transaction codes like SE38 to execute relevant reports or programs that check for inconsistencies.
  Recreate Document: If the preceding document is missing and cannot be recovered, you may need to recreate it if possible.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for purchasing documents (e.g., ME23N, ME53N, ME21N).
  SAP Documentation: Review SAP documentation related to purchasing and document management for best practices and troubleshooting tips.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  
  By following these steps, you should be able to diagnose and potentially resolve the CMM_INDEX006 error in SAP.