Hi,
looks like an API failure of nitroflare.com as their API returns wrong information:
Code:
{"type":"success","result":{"files":{"CENSORED":{"status":"online","name":"CENSORED","size":"642462109","uploadDate":"2020-02-29 10:13:14","url":"https:CENSORED","premiumOnly":true}}}}
(Scroll all the way to the right and you'll see the issue.)
Please contact their support and ask them to fix this - it is not a JDownloader bug!
-psp-