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### Running command:
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###   /home/biocbuild/bbs-3.22-bioc/R/bin/R CMD build --keep-empty-dirs --no-resave-data --md5 derfinderPlot
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* checking for file ‘derfinderPlot/DESCRIPTION’ ... OK
* preparing ‘derfinderPlot’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘derfinderPlot.Rmd’ using rmarkdown

Quitting from derfinderPlot.Rmd:239-242 [plotOverview]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `validObject()`:
! invalid class "GGbio" object: invalid object for slot "ggplot" in class "GGbio": got class "ggplot2::ggplot", should be or extend class "gg_OR_NULL"
---
Backtrace:
     ▆
  1. └─derfinderPlot::plotOverview(...)
  2.   ├─ggplot2::autoplot(seqinfo(regions))
  3.   └─ggbio::autoplot(seqinfo(regions))
  4.     └─ggbio (local) .local(object, ...)
  5.       └─ggbio::GGbio(p, data = object)
  6.         ├─BiocGenerics::do.call(...)
  7.         ├─base::do.call(...)
  8.         └─methods (local) `<fn>`(...)
  9.           ├─methods::initialize(value, ...)
 10.           └─methods::initialize(value, ...)
 11.             └─methods::validObject(.Object)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'derfinderPlot.Rmd' failed with diagnostics:
invalid class "GGbio" object: invalid object for slot "ggplot" in class "GGbio": got class "ggplot2::ggplot", should be or extend class "gg_OR_NULL"
--- failed re-building ‘derfinderPlot.Rmd’

SUMMARY: processing the following file failed:
  ‘derfinderPlot.Rmd’

Error: Vignette re-building failed.
Execution halted