helm servecm plugin installer is getting an Access Denied error

/home/ravi>helm plugin install https://github.com/jdolitsky/helm-servecm
Installed plugin: servecm
/home/ravi>

/home/ravi>helm servecm --port=8879 --context-path=/charts --storage local --storage-local-rootdir $HELM_REPOSITORY_CACHE/local/
ChartMuseum not installed. Install latest stable release? (type "yes"): yes
Attempting to install ChartMuseum server (
AccessDeniedAccess DeniedCAASJWMBRD0XS285h26HsRo+B8fBjvFOZ7Lx2pvU2qznTX62SRr+u31gxlz0+nirT2I0F6Knkosyms/EgmUrixlFF5A=)...
Detected your os as "linux"
+ curl -LO 'https://s3.amazonaws.com/chartmuseum/release/' 'AccessDeniedAccess' 'DeniedCAASJWMBRD0XS285h26HsRo+B8fBjvFOZ7Lx2pvU2qznTX62SRr+u31gxlz0+nirT2I0F6Knkosyms/EgmUrixlFF5A=/bin/linux/amd64/chartmuseum'
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 243 0 243 0 0 257 0 --:--:-- --:--:-- --:--:-- 257
curl: (6) Could not resolve host: version="1.0"
curl: (6) Could not resolve host: encoding="UTF-8"
curl: (6) Could not resolve host: AccessDenied<
curl: (6) Could not resolve host: Denied<
+ rm -rf /tmp/tmp.ID3MD0HFyL
Error: plugin "servecm" exited with error
/home/ravi>