• using R version 4.6.0 alpha (2026-03-26 r89725)
• using platform: aarch64-apple-darwin23
• R was compiled by     Apple clang version 17.0.0 (clang-1700.3.19.1)     GNU Fortran (GCC) 14.2.0
• running under: macOS Sequoia 15.7.1
• using session charset: UTF-8 * current time: 2026-03-28 03:30:57 UTC
• 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 executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘DeSciDe’ can be installed ... [5s/5s] 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 ... [1s/1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the package can be unloaded cleanly ... [1s/1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
• checking loading without being on the library search path ... [1s/1s] 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 ... [3s/3s] OK
• checking Rd files ... [0s/0s] 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 ... [2s/24s] 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 ... [2s/2s] OK   Running ‘testthat.R’ [2s/2s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [7s/7s] OK
• checking PDF version of manual ... [2s/2s] OK
• DONE Status: 1 ERROR
• using check arguments '--no-clean-on-error '