Webcam continuous capture and save to avi

Hello,
I want to make an acquisition video to an .avi file from my webcam wirh labview and I used the program which is given below, but an error comes up and I could not find a solution (see the attached files).
Attachments:
Grab and Save to AVI.vi ‏39 KB
error.png ‏43 KB

Replace the session with a valid session?

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