Running examples in ‘MLPA-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: GEP.process
> ### Title: MLPA peak detection
> ### Aliases: GEP.process GEP.interface
> 
> ### ** Examples
> 
>   # Working in temporary directory
>   output <- sprintf("%s/test.log", tempdir())
>   
>   # See files before analysis
>   dir(system.file("extdata", package="MLPA"))
[1] "ab1"         "design.conf" "fsa"         "rescue.conf"
>   
>   # Launch analysis in package directory
>   GEP.process(
+     input = system.file("extdata/fsa", package="MLPA"),
+     design = system.file("extdata/design.conf", package="MLPA"),
+     output = output
+   )
Tue Sep 28 11:10:56 2021
MLPA 1.10.0

Design file : /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/MLPA/extdata/design.conf [c3ede9beca2291307483391447ba9be1]
Design setting set to default for function GEP.process : overwrite, gene.cex, file.line, mar, progressBar, disable
Design setting set to default for function read.fsa : applyLowess, processed, meta.extra, disable
Design setting set to default for function align.fsa : channel, fullLadder, useLadder, outThreshold, noiseLevel, surePeaks, trim, maskOffScale, rMin, rescue, ylim, disable
Design setting set to default for function peaks.fsa : logTransform, lowThreshold, channels, noiseRange, primerRange, disable
Design setting set to default for function plot.fsa : units, ladder, offScaleCol, offScalePch, offScaleCex, bg, fg, title, xlab, ylab, ylim, xaxt, yaxt, bty, xaxp, nticks, all.bp, disable
Design setting set to default for function model : groupColors, threshold, disable
Design setting set to default for function classify : plot, disable
Processing /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/MLPA/extdata/fsa/A1270.fsa
FSA metadata : user="VR", machine="3130-18321022", runModule.name="TCTM2", runModule.version="15", runProtocole.name="TCTM2", runProtocole.version="1", runStart="2013-04-24 10:41:42", runStop="2013-04-24 11:05:10", collectionStart="2013-04-24 10:52:06", collectionStop="2013-04-24 11:05:06", injectionTime="3"
Error in rect(xleft = sapply(design$PEAKS$ranges, "[", 1), xright = sapply(design$PEAKS$ranges,  : 
  invalid RGB specification
Calls: GEP.process -> rect
Execution halted