* using log directory 'd:/Rcompile/CRANpkg/local/4.6/fluxfinder.Rcheck'
* using R Under development (unstable) (2025-09-03 r88788 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.2.0
    GNU Fortran (GCC) 14.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'fluxfinder/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'fluxfinder' version '1.2.1'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'fluxfinder' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s] OK
* checking whether the package can be unloaded cleanly ... [1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s] OK
* checking whether the namespace can be unloaded cleanly ... [2s] OK
* checking loading without being on the library search path ... [1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [4s] OK
* checking Rd files ... [1s] OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [2s] ERROR
Running examples in 'fluxfinder-Ex.R' failed
The error most likely occurred in:

> ### Name: ffi_compute_fluxes
> ### Title: Compute fluxes for multiple groups (measurements)
> ### Aliases: ffi_compute_fluxes
> 
> ### ** Examples
> 
> # No grouping
> ffi_compute_fluxes(cars, group_column = NULL, "speed", "dist")
Error in ll(object) : could not find function "ll"
Calls: ffi_compute_fluxes ... tibble_quos -> eval_tidy -> <Anonymous> -> AIC.default
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [3s] ERROR
  Running 'testthat.R' [3s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > # This file is part of the standard setup for testthat.
  > # It is recommended that you do not modify it.
  > #
  > # Where should you do additional test configuration?
  > # Learn more about the roles of various files in:
  > # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
  > # * https://testthat.r-lib.org/articles/special-files.html
  > 
  > library(testthat)
  > library(fluxfinder)
  > 
  > test_check("fluxfinder")
  [ FAIL 1 | WARN 0 | SKIP 0 | PASS 94 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-models.R:3:3'): ffi_fit_models works ───────────────────────────
  Error in `ll(object)`: could not find function "ll"
  Backtrace:
       ▆
    1. ├─fluxfinder::ffi_fit_models(cars$speed, cars$dist) at test-models.R:3:3
    2. │ ├─generics::glance(mod)
    3. │ └─broom:::glance.lm(mod)
    4. │   ├─base::with(...)
    5. │   └─base::with.default(...)
    6. │     └─base::eval(substitute(expr), data, enclos = parent.frame())
    7. │       └─base::eval(substitute(expr), data, enclos = parent.frame())
    8. │         └─tibble::tibble(...)
    9. │           └─tibble:::tibble_quos(xs, .rows, .name_repair)
   10. │             └─rlang::eval_tidy(xs[[j]], mask)
   11. ├─stats::AIC(x)
   12. └─stats:::AIC.default(x)
  
  [ FAIL 1 | WARN 0 | SKIP 0 | PASS 94 ]
  Error: Test failures
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [8s] ERROR
Error(s) in re-building vignettes:
--- re-building 'integrating-gasfluxes.Rmd' using rmarkdown

Quitting from integrating-gasfluxes.Rmd:29-43 [setup]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `ll()`:
! could not find function "ll"
---
Backtrace:
     ▆
  1. ├─fluxfinder::ffi_compute_fluxes(...)
  2. │ └─base::lapply(x, f, ...)
  3. │   └─fluxfinder (local) FUN(X[[i]], ...)
  4. │     └─fluxfinder (local) fit_function(x$.norm_time, x[, gas_column], ...)
  5. │       ├─generics::glance(mod)
  6. │       └─broom:::glance.lm(mod)
  7. │         ├─base::with(...)
  8. │         └─base::with.default(...)
  9. │           └─base::eval(substitute(expr), data, enclos = parent.frame())
 10. │             └─base::eval(substitute(expr), data, enclos = parent.frame())
 11. │               └─tibble::tibble(...)
 12. │                 └─tibble:::tibble_quos(xs, .rows, .name_repair)
 13. │                   └─rlang::eval_tidy(xs[[j]], mask)
 14. ├─stats::AIC(x)
 15. └─stats:::AIC.default(x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'integrating-gasfluxes.Rmd' failed with diagnostics:
could not find function "ll"
--- failed re-building 'integrating-gasfluxes.Rmd'

--- re-building 'intro-to-fluxfinder.Rmd' using rmarkdown

Quitting from intro-to-fluxfinder.Rmd:187-206 [compute-fluxes]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `ll()`:
! could not find function "ll"
---
Backtrace:
     ▆
  1. ├─fluxfinder::ffi_compute_fluxes(...)
  2. │ └─base::lapply(x, f, ...)
  3. │   └─fluxfinder (local) FUN(X[[i]], ...)
  4. │     └─fluxfinder (local) fit_function(x$.norm_time, x[, gas_column], ...)
  5. │       ├─generics::glance(mod)
  6. │       └─broom:::glance.lm(mod)
  7. │         ├─base::with(...)
  8. │         └─base::with.default(...)
  9. │           └─base::eval(substitute(expr), data, enclos = parent.frame())
 10. │             └─base::eval(substitute(expr), data, enclos = parent.frame())
 11. │               └─tibble::tibble(...)
 12. │                 └─tibble:::tibble_quos(xs, .rows, .name_repair)
 13. │                   └─rlang::eval_tidy(xs[[j]], mask)
 14. ├─stats::AIC(x)
 15. └─stats:::AIC.default(x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'intro-to-fluxfinder.Rmd' failed with diagnostics:
could not find function "ll"
--- failed re-building 'intro-to-fluxfinder.Rmd'

SUMMARY: processing the following files failed:
  'integrating-gasfluxes.Rmd' 'intro-to-fluxfinder.Rmd'

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... [27s] OK
* checking HTML version of manual ... [3s] OK
* DONE
Status: 3 ERRORs