Install the package from GitHub:
#Install the QDNAseq.hg38 package using remotes
remotes::install_github("agorelick/QDNAseq.hg38.withMT")
#or devtools
devtools::install_github("agorelick/QDNAseq.hg38.withMT")
Refer to the original repo: https://github.com/asntech/QDNAseq.hg38