Hi, I have got this message when installing exonmap on linux : ** building package indices ... Error in load(zfile, envir = envir) : ReadItem: unknown type 25 I downloaded the file exonmap_1.0.05.tar.gz today from bioconductor site http://bioconductor.org/packages/2.0/bioc/html/exonmap.html and try to install it using the command R CMD INSTALL ./exonmap_1.0.05.tar.gz ================================ Here is the complete trace : # R CMD INSTALL ./exonmap_1.0.05.tar.gz * Installing *source* package 'exonmap' ... ** R ** data ** inst ** preparing package for lazy loading Loading required package: affy Loading required package: Biobase Loading required package: tools Welcome to Bioconductor Vignettes contain introductory material. To view, type 'openVignette()' or start with 'help(Biobase)'. For details on reading vignettes, see the openVignette help page. Loading required package: affyio Loading required package: simpleaffy Loading required package: genefilter Loading required package: survival Loading required package: splines Loading required package: genefilter Loading required package: RColorBrewer Loading required package: RMySQL Loading required package: DBI Loading required package: DBI Loading required package: plier PLIER V 1.3.1 See: http://www.affymetrix.com for the algorithm For details on the R port: http://bioinformatics.picr.man.ac.uk mailto: microarray at picr.man.ac.uk ** help >>> Building/Updating help pages for package 'exonmap' Formats: text html latex example PC-class text html latex example Splanova-class text html latex example X.toY text html latex example array.subset text html latex example gene.details text html latex example gene.legend text html latex example gene.strip text html latex example gene.to.exon.probeset text html latex example group.indices text html latex example pc text html latex example plot.gene text html latex example plot.gene.graph text html latex example probeset.stats text html latex example probesets.in.range text html latex example read.exon text html latex example select.probewise text html latex example splanova text html latex example splicing.index text html latex example x.rma text html latex xmapDatabase text html latex example xmapGene text html latex example ** building package indices ... Error in load(zfile, envir = envir) : ReadItem: unknown type 25 Execution halted ERROR: installing package indices failed ** Removing '/usr/lib64/R/library/exonmap' # -- ------------------------------------------------------------------- Sophie.Gallina at good.ibl.fr CNRS UMR 8090 - http://www-good.ibl.fr G?nomique et physiologie mol?culaire des maladies m?taboliques I.B.L - 1 rue du Pr Calmette, B.P.245, 59019 Lille Cedex Tel : 33 (0)3.20.87.10.71 Fax : 33 (0)3.20.87.10.31