* using log directory ‘/srv/hornik/tmp/CRAN_pretest/Mypackage.Rcheck’
* using R Under development (unstable) (2025-09-01 r88761)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.7 (3+b1)
    Debian flang-new version 19.1.7 (3+b1)
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* checking for file ‘Mypackage/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘Mypackage’ version ‘1.3.1’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [3s/4s] WARNING
Maintainer: ‘Yang Pengmin<1224061805@qq.com>’

New submission

Strong dependencies not in mainstream repositories:
  IOBR, xCell, ggcor, scarHRD

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Yang",
                    family = "Pengmin",
                    role = c("aut", "cre"),
                    email = "1224061805@qq.com")
as necessary.

Found the following (possibly) invalid URLs:
  URL: https://docs.gdc.cancer.gov/Data/File_Formats/MAF_Format/
    From: inst/doc/Mypackge.html
    Status: Error
    Message: SSL peer certificate or SSH remote key was not OK [docs.gdc.cancer.gov]:
      server verification failed: certificate signer not trusted. (CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none)

Size of tarball: 65044798 bytes
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Packages required but not available: 'IOBR', 'xCell', 'ggcor', 'scarHRD'

Namespace dependency missing from DESCRIPTION Imports/Depends entries: ‘RColorBrewer’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
* DONE
Status: 1 ERROR, 1 WARNING