"internal error in pkgdepends"

[RobLBaker]

Hello,

upon trying to use pak::pkg_install I got this error message, which state to report the error here:

pak::pkg_install("nationalparkservice/NPSdataverse")
#> ℹ Loading metadata database
#> ✔ Loading metadata database ... done
#> 
#> 
#> → Will install 4 packages.
#> → Will download 4 packages with unknown size.
#> + DPchecker      1.0.0 [bld][cmp][dl] (GitHub: 395992f)
#> + EMLeditor      0.1.6 [bld][cmp][dl] (GitHub: 9a59ee3)
#> + NPSdataverse   0.1.0 [bld][cmp][dl] (GitHub: 4ef90b5)
#> + NPSutils       1.0.0 [bld][cmp][dl] (GitHub: 4fb0bb3)
#> ℹ Getting 4 pkgs with unknown sizes
#> ✔ Cached copy of NPSdataverse 0.1.0 (source) is the latest build
#> ✔ Cached copy of DPchecker 1.0.0 (source) is the latest build
#> ✔ Cached copy of EMLeditor 0.1.6 (source) is the latest build
#> ✔ Cached copy of NPSutils 1.0.0 (source) is the latest build
#> Error: ! error in pak subprocess
#> Caused by error in `select_next_task(state)`:
#> ! Cannot select new package installation task.
#> ℹ 4 packages still waiting to install: NPSdataverse, DPchecker, EMLeditor, and
#>   NPSutils.
#> ℹ This is an internal error in pkgdepends, please report an issue at
#>   <https://github.com/r-lib/pkgdepends/issues>.

[gaborcsardi]

I think this is a circular dependency between DPchecker and EMLeditor.

The error message should be better, though.