error in pak subprocess Caused by error in state$plan$file[pkgidx] <- worker$process$get_built_file(): ! replacement has length zero #873

> pak::pak(pkg_list)
                                                                                                
→ Will install 2 packages.
→ All 2 packages (1.30 MB) are cached.
+ DiagrammeR   1.0.12 [bld]
+ fracdiff     1.5-4  [bld][cmp]
ℹ No downloads are needed, 2 pkgs (1.30 MB) are cached
ℹ Building DiagrammeR 1.0.12
ℹ Building fracdiff 1.5-4
✔ Built DiagrammeR 1.0.12 (32.4s)                                                   
Error: 
! error in pak subprocess
Caused by error in `state$plan$file[pkgidx] <- worker$process$get_built_file()`:
! replacement has length zero
Type .Last.error to see the more details.

> .Last.error
<callr_error/rlib_error_3_0/rlib_error/error>
Error: 
! error in pak subprocess
Caused by error in `state$plan$file[pkgidx] <- worker$process$get_built_file()`:
! replacement has length zero
---
Backtrace:
1. pak::pak(pkg_list)
2. pak::pkg_install(pkg, ...)
3. pak:::remote(function(...) get("pkg_install_do_plan", asNamespace("pak"))(...), …
4. err$throw(res$error)
---
Subprocess backtrace:
 1. base::withCallingHandlers(cli_message = function(msg) { …
 2. get("pkg_install_do_plan", asNamespace("pak"))(...)
 3. proposal$install()
 4. pkgdepends::install_package_plan(plan, lib = private$library, num_workers = nw, …
 5. base::withCallingHandlers({ …
 6. pkgdepends:::handle_events(state, events)
 7. pkgdepends:::handle_event(state, i)
 8. pkgdepends:::stop_task(state, worker)
 9. pkgdepends:::stop_task_build(state, worker)
10. base::.handleSimpleError(function (e) …
11. global h(simpleError(msg, call))

> sessionInfo()
R version 4.6.0 (2026-04-24 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 22631)

Matrix products: default
  LAPACK version 3.12.1

locale:
[1] LC_COLLATE=English_United States.utf8  LC_CTYPE=English_United States.utf8    LC_MONETARY=English_United States.utf8
[4] LC_NUMERIC=C                           LC_TIME=English_United States.utf8    

time zone: America/New_York
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] pak_0.9.5

loaded via a namespace (and not attached):
[1] compiler_4.6.0    tools_4.6.0       rstudioapi_0.18.0 renv_1.2.2