ERROR:Unable to download webpage

[googooog]

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'YOUTUBE_Resource_URL']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.05.08
[debug] Python version 3.7.3 (CPython) - Darwin-19.4.0-x86_64-i386-64bit
[debug] exe versions: rtmpdump 2.4
[debug] Proxy map: {}
ERROR: 'YOUTUBE_Resource_URL' is not a valid URL. Set --default-search "ytsearch" (or run youtube-dl "ytsearch:YOUTUBE_Resource_URL" ) to search YouTube
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 797, in extract_info
ie_result = ie.extract(url)
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 530, in extract
ie_result = self._real_extract(url)
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/youtube_dl/extractor/generic.py", line 2268, in _real_extract
% (url, url), expected=True)
youtube_dl.utils.ExtractorError: 'YOUTUBE_Resource_URL' is not a valid URL. Set --default-search "ytsearch" (or run youtube-dl "ytsearch:YOUTUBE_Resource_URL" ) to search YouTube