• using R version 4.4.3 Patched (2026-02-12 r89426 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 13.3.0     GNU Fortran (GCC) 13.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'DeSciDe/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'DeSciDe' version '1.0.2'
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'DeSciDe' can be installed ... OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking 'build' directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [7s] OK
• checking whether the package can be loaded with stated dependencies ... [7s] OK
• checking whether the package can be unloaded cleanly ... [7s] OK
• checking whether the namespace can be loaded with stated dependencies ... [7s] OK
• checking whether the namespace can be unloaded cleanly ... [7s] OK
• checking loading without being on the library search path ... [7s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [17s] OK
• checking Rd files ... [1s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [34s] ERROR Running examples in 'DeSciDe-Ex.R' failed The error most likely occurred in: > ### Name: plot_string_network > ### Title: Plot STRING Network > ### Aliases: plot_string_network > > ### ** Examples > > library(STRINGdb) > string_db <- STRINGdb$new(species = 9606) WARNING: Score threshold is not specified. We will be using medium stringency cut-off of 400. WARNING: You didn't specify a version of the STRING database to use. Hence we will use STRING 12.0 > string_ids <- c("9606.ENSP00000269305", "9606.ENSP00000357940") > plot_string_network(string_db, string_ids, file_directory = tempdir(), export = FALSE) Error in readPNG(postFormSmart(urlStr, .params = params, .ctype = "raw")) :   libpng error: Not a PNG file Calls: plot_string_network -> <Anonymous> -> get_png -> readPNG Execution halted
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [8s] OK   Running 'testthat.R' [7s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [20s] OK
• checking PDF version of manual ... [18s] OK
• checking HTML version of manual ... [2s] OK
• DONE

Status: 1 ERROR