Error(s) in re-building vignettes:
  ...
--- re-building ‘A-Note-on-Choosing-Hyperparameters.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘A-Note-on-Choosing-Hyperparameters.Rmd’

--- re-building ‘Developers-Guide.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘Developers-Guide.Rmd’

--- re-building ‘GPCERF.Rmd’ using rmarkdown
2025-12-13 05:45:38.029637 gimli2 274017 GPCERF estimate_gps INFO: Started estimating GPS values ... 

Quitting from GPCERF.Rmd:38-45 [unnamed-chunk-4]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `SuperLearner::SuperLearner()`:
! All algorithms dropped from library
---
Backtrace:
    ▆
 1. └─GPCERF::estimate_gps(...)
 2.   └─SuperLearner::SuperLearner(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'GPCERF.Rmd' failed with diagnostics:
All algorithms dropped from library
--- failed re-building ‘GPCERF.Rmd’

--- re-building ‘Nearest-neighbor-Gaussian-Processes.Rmd’ using rmarkdown
2025-12-13 05:45:48.80051 gimli2 275346 GPCERF estimate_gps INFO: Started estimating GPS values ... 

Quitting from Nearest-neighbor-Gaussian-Processes.Rmd:83-92 [unnamed-chunk-4]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `SuperLearner::SuperLearner()`:
! All algorithms dropped from library
---
Backtrace:
    ▆
 1. └─GPCERF::estimate_gps(...)
 2.   └─SuperLearner::SuperLearner(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Nearest-neighbor-Gaussian-Processes.Rmd' failed with diagnostics:
All algorithms dropped from library
--- failed re-building ‘Nearest-neighbor-Gaussian-Processes.Rmd’

--- re-building ‘Standard-Gaussian-Processes.Rmd’ using rmarkdown
2025-12-13 05:45:58.960181 gimli2 277514 GPCERF estimate_gps INFO: Started estimating GPS values ... 

Quitting from Standard-Gaussian-Processes.Rmd:83-93 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `SuperLearner::SuperLearner()`:
! All algorithms dropped from library
---
Backtrace:
    ▆
 1. └─GPCERF::estimate_gps(...)
 2.   └─SuperLearner::SuperLearner(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Standard-Gaussian-Processes.Rmd' failed with diagnostics:
All algorithms dropped from library
--- failed re-building ‘Standard-Gaussian-Processes.Rmd’

SUMMARY: processing the following files failed:
  ‘GPCERF.Rmd’ ‘Nearest-neighbor-Gaussian-Processes.Rmd’
  ‘Standard-Gaussian-Processes.Rmd’

Error: Vignette re-building failed.
Execution halted