scidownl is not working; gives a statuscode 403

When I try to use <"scidownl", I get an error: status_code=403, content_length=747

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C:\Users\fn31>scidownl download --doi https://doi.org/ 10.1016/j.compstruct.2021.113663 --scihub-url http://sci-hub.st
Usage: scidownl download [OPTIONS]

Error: Got unexpected extra argument (10.1016/j.compstruct.2021.113663)

C:\Users\fn31>scidownl download --doi https://doi.org/10.1016/j.compstruct.2021.113663 --scihub-url http://sci-hub.st
[INFO] | 2024/07/11 21:06:12 | Run scihub tasks. Tasks information:
[INFO] | 2024/07/11 21:06:12 | DOI(s): ['https://doi.org/10.1016/j.compstruct.2021.113663']
[INFO] | 2024/07/11 21:06:12 | Output: C:\Users\fn31
[INFO] | 2024/07/11 21:06:12 | SciHub Url: http://sci-hub.st
[INFO] | 2024/07/11 21:06:12 | Choose the scihub url: http://sci-hub.st
[INFO] | 2024/07/11 21:06:12 | <- Request: scihub_url=http://sci-hub.st, source=DoiSource[type=doi, id=doi.org/10.1016/j.compstruct.2021.113663], proxies={}
[INFO] | 2024/07/11 21:06:12 | -> Response: status_code=403, content_length=747
[ERROR] | 2024/07/11 21:06:12 | final status: crawling_failed, error: Error occurs when crawling source: DoiSource[type=doi, id=doi.org/10.1016/j.compstruct.2021.113663]
[INFO] | 2024/07/11 21:06:12 | Choose the scihub url: http://sci-hub.st
[INFO] | 2024/07/11 21:06:12 | <- Request: scihub_url=http://sci-hub.st, source=DoiSource[type=doi, id=doi.org/10.1016/j.compstruct.2021.113663], proxies={}
[INFO] | 2024/07/11 21:06:12 | -> Response: status_code=403, content_length=747
[ERROR] | 2024/07/11 21:06:12 | final status: crawling_failed, error: Error occurs when crawling source: DoiSource[type=doi, id=doi.org/10.1016/j.compstruct.2021.113663]

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1. What do I do wrong?
2. Is it possible, to get a list of status codes, and their meanings?

[pcalais]

Just had the same problem. Buy yesterday it was working.