I installed jupyter notebook via conda on my ubuntu. Now, whenever I try to save my Jupiter notebook it gives me error 13: permission denied.
Saving file at /Documents/Ship-radiated-noise-estimation-using-AI/Random Forest.ipynb[W 17:57:46.124 NotebookApp] Unexpected error while saving file: Documents/Ship-radiated-noise-estimation-using-AI/Random Forest.ipynb [Errno 13] Permission denied: '/home/avi/Documents/Ship-radiated-noise-estimation-using-AI/.ipynb_checkpoints/Random Forest-checkpoint.ipynb'[E 17:57:46.125 NotebookApp] {"Host": "localhost:8888","Connection": "keep-alive","Content-Length": "57866","Accept": "application/json, text/javascript, */*; q=0.01","X-Requested-With": "XMLHttpRequest","X-Xsrftoken": "2|054c4e1d|fe934c5c5e2843c9e5dab551f16ed9a5|1591886911","User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36","Content-Type": "application/json","Origin": "http://localhost:8888","Sec-Fetch-Site": "same-origin","Sec-Fetch-Mode": "cors","Sec-Fetch-Dest": "empty","Referer": "http://localhost:8888/notebooks/Documents/Ship-radiated-noise-estimation-using-AI/Random%20Forest.ipynb","Accept-Encoding": "gzip, deflate, br","Accept-Language": "en-GB,en-US;q=0.9,en;q=0.8","Cookie": "_xsrf=2|054c4e1d|fe934c5c5e2843c9e5dab551f16ed9a5|1591886911; username-localhost-8889=\"2|1:0|10:1592913160|23:username-localhost-8889|44:MDJhM2JjOGJlOTFmNDAwZDg3YzE1ZjU5MzRhZjA3NWE=|2f443fc34809baea4742ba6589e1faf479105f8d6b3518a3583265a16f72888b\"; username-localhost-8888=\"2|1:0|10:1593080616|23:username-localhost-8888|44:Y2M1ZmVkNzEwNWM0NGJiZGFmNDYwNWNlMzVhMTdmNmU=|2692cec91ce0a49620300d2b09fca623208a50442f0e0fcc39c764de38160930\"" }[E 17:57:46.125 NotebookApp] 500 PUT /api/contents/Documents/Ship-radiated-noise-estimation-using-AI/Random%20Forest.ipynb (127.0.0.1) 1692.03ms referer=http://localhost:8888/notebooks/Documents/Ship-radiated-noise-estimation-using-AI/Random%20Forest.ipynb