Manage Data sources - Files

Hi,
I'm not able to change the settings of the Data sources for the files.
Have always the same error message :
X1 has eperience a problem and may need to close
Objet reference not set to an instance of an object
This error is sent directly to our engineering team....If this crash occurs more than once please see our forums for potential solutions, ...

So it occurs systematically and crashed X1.
Thanks for your help !
Mimi67

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