Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
stdout: Wrote: /var/lib/copr-rpmbuild/results/pycharm-community-plugins.spec
stderr: warning: Downloading https://plugins.jetbrains.com/files/8183/599893/GitLink-4.5.2.zip#/GitLink-4.5.2.zip to /var/lib/copr-rpmbuild/results/GitLink-4.5.2.zip
warning: Downloading https://plugins.jetbrains.com/files/7792/100135/intellij-ansible-0.11.2.zip#/intellij-ansible-0.11.2.zip to /var/lib/copr-rpmbuild/results/intellij-ansible-0.11.2.zip
warning: Downloading https://plugins.jetbrains.com/files/12552/373650/intellij-rpmspec-2.2.0.zip#/intellij-rpmspec-2.2.0.zip to /var/lib/copr-rpmbuild/results/intellij-rpmspec-2.2.0.zip
warning: Downloading https://plugins.jetbrains.com/files/7724/715275/clouds-docker-impl-251.23774.426.zip#/clouds-docker-impl-251.23774.426.zip to /var/lib/copr-rpmbuild/results/clouds-docker-impl-251.23774.426.zip
warning: Downloading https://plugins.jetbrains.com/files/164/718030/IdeaVIM-2.22.0.zip#/IdeaVIM-2.22.0.zip to /var/lib/copr-rpmbuild/results/IdeaVIM-2.22.0.zip
warning: Downloading https://plugins.jetbrains.com/files/6981/711004/ini-251.23774.318.zip#/ini-251.23774.318.zip to /var/lib/copr-rpmbuild/results/ini-251.23774.318.zip
warning: Downloading https://plugins.jetbrains.com/files/7566/711171/settingsRepository-251.23774.318.zip#/settingsRepository-251.23774.318.zip to /var/lib/copr-rpmbuild/results/settingsRepository-251.23774.318.zip
warning: Downloading https://plugins.jetbrains.com/files/7495/678216/ignore-4.5.6.zip#/ignore-4.5.6.zip to /var/lib/copr-rpmbuild/results/ignore-4.5.6.zip
warning: Downloading https://plugins.jetbrains.com/files/9525/711041/env_files-251.23774.318.zip#/env-files-251.23774.318.zip to /var/lib/copr-rpmbuild/results/env-files-251.23774.318.zip
curl: (22) The requested URL returned error: 403
error: Executing url helper "/usr/bin/curl --proto -all,+https,+ftps  --silent --show-error --fail --globoff --location -o /var/lib/copr-rpmbuild/results/env-files-251.23774.318.zip https://plugins.jetbrains.com/files/9525/711041/env_files-251.23774.318.zip#/env-files-251.23774.318.zip" failed with status 22
error: Couldn't download https://plugins.jetbrains.com/files/9525/711041/env_files-251.23774.318.zip#/env-files-251.23774.318.zip

Building SRPM failed because URL does not exists