Issue with Initializing Synapse Spark Environment Using Synapse VS Code Extension

Hi   kacperroczen 

Thank you for reaching out to us on the Microsoft Fabric Community Forum.

It looks like the issue is related to the special character in your username, which is causing problems for the Synapse VS Code extension when it tries to locate and initialize the necessary files. Here are a few steps you can try to work around this issue:
Create a Shortcut (Symbolic Link) for Your User Folder:

Open Command Prompt as Administrator.

Run this command:
mklink /D c:\users\exampleuser c:\users\exampleuser�
This creates an alternate path (e.g., c:\users\exampleuser) that doesn’t include the special character, which the Synapse extension might handle better.

Check if the Synapse extension allows you to specify file paths or configurations manually. If it does, point it to a folder path without special characters.

Download the init_lighter.py script from the URL mentioned in the error message or from Microsoft’s official repository.
Save it in the appropriate folder, typically:
c:\users\exampleuser�\.ipython\profile_default\startup\

While changing your current username may not be an option, you could create a second local account without special characters in the username. Use this account specifically for Synapse-related work in VS Code.

If the issue persists despite these steps,please raise a support ticket

To raise a support ticket for Fabric , kindly follow the steps outlined in the following guide:
How to create a Fabric and Power BI Support ticket - Power BI | Microsoft Learn

If this solution helps, please consider giving us Kudos and accepting it as the solution so that it may assist other members in the community.