How To Fix CY655 - GANTT chart: function triggered

CY655 - Overview

• 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