Error Activities "Refresh Excel Data Connections"

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Hello guys.

I have a bot that has always run correctly, I use the activity “Refresh Excel Data Connections” where it refreshes all the power query tables I have in the spreadsheet, but in a certain course of the flow execution, it gives the error

Refresh Excel Data Connections: Remote procedure call failed. (Ox800706BE)

Does anyone know what I should do?

Detail: my spreadsheet is not corrupted!

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The error “Remote procedure call failed. (0x800706BE)” typically indicates a problem with the communication between the application and a service, often related to COM (Component Object Model) components or RPC (Remote Procedure Call) issues. In the context of the “Refresh Excel Data Connections” activity in UiPath, this could be caused by several factors. Here are some steps you can take to troubleshoot and resolve the issue:

1. Ensure Excel is Properly Installed and Updated

  • Verify Excel Installation: Make sure your Excel installation is not corrupted. You can try repairing Microsoft Office from the Control Panel.
  • Update Excel: Ensure that Excel and all related Office components are up-to-date.

2. Check Excel File Permissions

  • File Access: Make sure the bot has the necessary permissions to access and modify the Excel file.
  • Network Path: If the file is located on a network path, ensure the network connection is stable and the bot has access to the network location.

3. Ensure Excel is Properly Closed Before Running the Bot

  • Close Excel Instances: Sometimes, background instances of Excel might interfere with the bot’s operation. Make sure all Excel processes are closed before running the bot. You can use the Kill Process activity to ensure no Excel instances are running.

4. Adjust Excel Data Connection Settings

  • Connection Timeout: Increase the timeout for the data connection refresh.
  • Data Source Availability: Ensure that all data sources used in your Power Query connections are available and responsive.

5. Modify UiPath Activities

  • Excel Scope: Ensure that the “Excel Application Scope” is correctly set and the file path is correctly referenced.
  • Retry Mechanism: Implement a retry mechanism around the “Refresh Excel Data Connections” activity to handle transient issues.

6. Debugging and Logs

  • Detailed Logs: Enable detailed logging to capture more information about the error.
  • Error Handling: Use Try-Catch blocks to handle the error gracefully and log detailed error messages.

7. Registry Settings

  • COM Settings: Check and adjust any COM settings in the Windows Registry if needed (be cautious and back up the registry before making changes).
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