Cannot finish first backup

Didn’t manage to finish a single backup yet. The logs show the following error:

2018-02-12 12:47:24,306957 [WARN ]: [ CBC ] [ 6 ] Cloud operation error (BadRequest): File names must not contain ''
2018-02-12 12:47:24,307036 [INFO ]: [ CBC ] [ 6 ] {
“code”: “bad_request”,
“message”: “File names must not contain ‘\’”,
“status”: 400
}
2018-02-12 12:47:24,318271 [ERROR]: [ CBB ] [ 5 ] Backup error: /Users/Dave/Documents/Zendelity/Zendelity Code/GMS 3.0/Code/UploadedFile_131264776373393092/uploadedfile_131264776373393092\pg_zoomout.gif
message: File names must not contain ''
code: 7

Is there a known solution?

Backblaze does not support backslashes in the filenames. Please refer to the following article:

https://www.backblaze.com/b2/docs/files.html