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Online experiment doesn't start

URL of experiment: RB_vanya [PsychoPy]

Description of the problem:
I read lots of treads. In my experiment setting now problems with folders, everything named in the right way.
Lower bar not uploading any images.

So I receive this error.
Yes this picture is uploaded in the resources. Named correctly in excel file.
No path needed because they are in the same folder. what can be the issue.