Unhandled exception - COMException: Unable to set the Left property of the Application class
| FIRST CREATED ON 19 Nov 2024 I AUTHOR Chris Brain |
NOTE: For versions 3.5.9 and lower. This started happening mid November 2024, likely due to a Windows or .NET Update. We are working on fixing this in the designer but in the interim these steps should help.
If you see the following error when attempting to open a template in the desgner:
- System.Runtime.InteropServices.COMException: Unable to set the Left property of the Application class
- System.Runtime.InteropServices.COMException: Die Left-Eigenschaft des Application-Objektes kann nicht festgelegt werden.
- System.Runtime.InteropServices.COMException: No se puede asignar la propiedad Left de la clase Application.
Please try the following:
- Open Excel.
- Ensure the Window is NOT maximised.
- Close Excel.
- Try reopening the report in Mail & Deploy and accessing the template.
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