How To Fix CY655 - GANTT chart: function triggered

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 655

• Message text: GANTT chart: function triggered

What causes this issue?

You selected the function "Cancel" in the Gantt chart.

System Response

The system exits the Gantt chart without saving. You go back into the
application from which you called up the Gantt chart.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY655 - GANTT chart: function triggered ?

  The SAP error message CY655, which states "GANTT chart: function  triggered," typically occurs in the context of project management or production planning when using the GANTT chart functionality in SAP. This error indicates that a user has attempted to cancel an operation or action within the GANTT chart interface, which may not be allowed due to various reasons.
  Causes:
  
  User Action: The error is often triggered by a user manually clicking the "Cancel" button or performing an action that leads to cancellation.
  System Restrictions: Certain operations may be restricted based on user permissions or the current state of the project or task.
  Data Integrity Issues: If there are inconsistencies or issues with the underlying data (e.g., missing or incorrect project/task details), the system may prevent further actions.
  Technical Issues: There could be a bug or technical issue within the SAP system that is causing the GANTT chart to behave unexpectedly.
  
  Solutions:
  
  Check User Permissions: Ensure that the user has the necessary permissions to perform the action they are attempting. If not, contact your SAP administrator to adjust permissions.
  Review Data: Verify that all relevant data for the project or task is complete and accurate. Look for any missing or incorrect entries that could be causing the issue.
  Restart the Session: Sometimes, simply logging out and back into the SAP system can resolve temporary glitches.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the GANTT chart functionality and any known issues related to the error message.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with details about the error, including the steps leading up to it, to help diagnose the problem.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches/updates.
  Training and Documentation: Ensure that users are trained on how to properly use the GANTT chart functionality to minimize errors.
  System Updates: Keep the SAP system updated to the latest version to benefit from bug fixes and improvements.
  
  By following these steps, you should be able to address the CY655 error and continue using the GANTT chart functionality effectively.