R CMD check found ERRORs

Test failures

Process completed with exit code 1.

Test failures

The following actions uses node12 which is deprecated and will be forced to run on node16: n1hility/cancel-previous-runs@v2, actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

unable to access index for repository https://cran.rstudio.com/bin/macosx/big-sur-x86_64/contrib/4.4:

Label 72 at (1) defined but not used [-Wunused-label]

Label 7 at (1) defined but not used [-Wunused-label]

Label 72 at (1) defined but not used [-Wunused-label]

Label 7 at (1) defined but not used [-Wunused-label]

‘it1’ may be used uninitialized [-Wmaybe-uninitialized]

unable to access index for repository https://cran.rstudio.com/bin/macosx/big-sur-x86_64/contrib/4.4: