How To Fix CN764 - Purchase requisition for service activity / element cannot be generated

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 764

• Message text: Purchase requisition for service activity / element cannot be generated

What causes this issue?

Due to the system settings, the system is trying to generate a purchase
requisition for a service activity or a service activity element.

System Response

No service package has been created for the activity/element.
As a result, the system cannot generate a purchase requisition.
The activity/element is created or released, but the indicator for
generating a purchase requisition is not set.

How to fix this error?

Create a service package for the activity/element and then generate a
purchase requisition.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN764 - Purchase requisition for service activity / element cannot be generated ?

  The SAP error message CN764 indicates that a purchase requisition for a service activity or element cannot be generated. This error typically arises in the context of project management and procurement processes within SAP, particularly when dealing with service-related activities in project systems (PS) or controlling (CO).
  Causes of Error CN764
  
  
  Missing or Incorrect Data: The service activity or element may not have the necessary data filled in, such as the service master record, account assignment, or other required fields.
  
  
  Service Master Record Issues: The service master record may not be properly set up or may be missing. This includes missing descriptions, units of measure, or pricing information.
  
  
  Project Structure Issues: The project structure may not be correctly defined, or the WBS (Work Breakdown Structure) element may not be correctly assigned to the service activity.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create purchase requisitions for the specified service activity.
  
  
  Configuration Issues: There may be configuration issues in the system related to the integration between project systems and materials management (MM).
  
  
  Solutions to Error CN764
  
  
  Check Data Completeness: Ensure that all required fields in the service activity or element are filled out correctly. This includes checking the service master record for completeness.
  
  
  Verify Service Master Record: Confirm that the service master record exists and is correctly configured. You can do this by navigating to the service master in the SAP system and checking for any missing information.
  
  
  Review Project Structure: Ensure that the project structure is correctly defined and that the WBS elements are properly assigned. Check if the project is released and that all necessary settings are in place.
  
  
  Check Authorizations: Verify that the user has the necessary authorizations to create purchase requisitions. This may involve checking user roles and permissions in the SAP system.
  
  
  Consult Configuration Settings: If the issue persists, consult with your SAP configuration team to review the settings related to project systems and materials management. They may need to check the integration points and ensure that everything is configured correctly.
  
  
  Error Logs and Messages: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Related Information
  
  Transaction Codes: You may need to use transaction codes such as ME51N (Create Purchase Requisition) or CJ20N (Project Builder) to investigate the issue further.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to project systems and procurement processes for best practices and guidelines.
  
  If the issue continues after following these steps, it may be beneficial to engage with your SAP support team or consult SAP's support resources for further assistance.