Although I successfully installed the package "simpleaffy'' , I cannot library it. Why?

if (!requireNamespace("BiocManager", quietly = TRUE)) install.packages("BiocManager")

BiocManager::install("simpleaffy")

library("simpleaffy")

Error in library("simpleaffy") :There is no package named 'simpleaffy'

# include your problematic code here with any corresponding output 
# please also include the results of running the following in an R session 

sessionInfo( )

You neglected to show any of the intervening output. Which includes this:

Warning message:
In .inet_warning(msg) :
  package 'simpleaffy' is not available for Bioconductor version '3.14'

And if you go to the release announcement for Bioc 3.13, and go waay to the bottom under 'Deprecated and Defunct Packages' you can see that simpleaffy got removed.

Sixty Five software packages were removed from this release (after being deprecated in Bioc 3.12): adaptest, ArrayTV, BioSeqClass, CHARGE, chimera, CNVtools, CorMut, DESeq, explorase, flowFit, flowSpy, flowType, focalCall, FourCSeq, FunciSNP, GeneticsDesign, GenRank, GGBase, GGtools, GOFunction, gQTLBase, gQTLstats, hicrep, ImpulseDE, ImpulseDE2, joda, JunctionSeq, LINC, Logolas, mcaGUI, metaArray, metaseqR, methVisual, methyvim, Mirsynergy, MmPalateMiRNA, MOFA, MotIV, NarrowPeaks, netbenchmark, netReg, OGSA, OmicsMarkeR, pathprint, PathwaySplice, PGA, PGSEA, plrs, prada, Prize, Rariant, reb, Roleswitch, rTANDEM, sapFinder, scsR, shinyTANDEM, sigaR, signet, simpleaffy, spotSegmentation, Starr, SVAPLSseq, TxRegInfra, xps