How To Fix CN693 - Purchase requisition &1 item &2 cannot be updated

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 693

• Message text: Purchase requisition &1 item &2 cannot be updated

What causes this issue?

You have made a change that is relevant to purchasing. Due to an error
in processing the purchase requisition in purchasing, it cannot be
updated.

System Response

The system updates the network. As a result, differences between the
network and the purchase requisition are possible .

How to fix this error?

Check both the network and the purcahse requisition.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN693 - Purchase requisition &1 item &2 cannot be updated ?

  The SAP error message CN693, which states "Purchase requisition &1 item &2 cannot be updated," typically occurs in the context of project management and procurement processes within SAP. This error indicates that there is an issue with updating a specific purchase requisition item, which can be due to various reasons.
  Causes:
  
  Status of the Purchase Requisition: The purchase requisition may be in a status that does not allow updates (e.g., it may be locked, already converted to a purchase order, or marked for deletion).
  Authorization Issues: The user may not have the necessary authorizations to make changes to the purchase requisition.
  Data Inconsistencies: There may be inconsistencies in the data related to the purchase requisition, such as missing or incorrect information.
  Project Structure Issues: If the purchase requisition is linked to a project, there may be issues with the project structure or status that prevent updates.
  System Configuration: There may be configuration settings in the system that restrict updates to certain types of purchase requisitions.
  
  Solutions:
  
  Check Status: Verify the status of the purchase requisition. If it is locked or in a status that does not allow updates, you may need to change its status or unlock it.
  Review Authorizations: Ensure that the user attempting to update the purchase requisition has the necessary authorizations. This may involve checking user roles and permissions.
  Correct Data: Review the purchase requisition for any missing or incorrect data. Make sure all required fields are filled out correctly.
  Project Structure Review: If the purchase requisition is linked to a project, check the project structure and status to ensure it is valid and active.
  Consult Configuration: If the issue persists, consult with your SAP administrator or technical team to review the system configuration and any relevant settings that may be affecting the ability to update the purchase requisition.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like ME53N (Display Purchase Requisition) to view the details of the purchase requisition and identify any issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation or help resources for more information on purchase requisition management and error handling.
  
  If the problem continues after trying the above solutions, it may be beneficial to involve your SAP support team for further investigation.