[rkward] [Bug 524219] RKWard crashes every time I submit any command

https://bugs.kde.org/show_bug.cgi?id=524219

--- Comment #7 from Vojtěch Zeisek <[email protected]> ---
Created attachment 195213
  --> https://bugs.kde.org/attachment.cgi?id=195213&action=edit
GDB backtrace

I also tried the AppImage. It showed a 1st run wizard, and crashed after
selection of R binary:

$ ./plocha/rkward-master-2651-linux-gcc-x86_64.appimage
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 19: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 20: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 23: invalid
constant used : monospace
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 42: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 43: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 46: invalid
constant used : sans-serif
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 68: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 69: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 72: invalid
constant used : serif
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 88: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 89: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 92: invalid
constant used : emoji
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 108: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 109: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 112: invalid
constant used : math
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 120: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 121: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 124: invalid
constant used : system-ui
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 132: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 133: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 136: invalid
constant used : cursive
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 144: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 145: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 148: invalid
constant used : fantasy
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 156: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 157: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 160: invalid
constant used : ui-sans-serif
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 168: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 169: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 172: invalid
constant used : ui-serif
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 180: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 181: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 184: invalid
constant used : ui-monospace
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 192: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 193: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 196: invalid
constant used : ui-rounded
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 204: invalid
attribute 'xsi:nil'
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 205: invalid
constant used :
Fontconfig warning: "/etc/fonts/conf.d/48-guessfamily.conf", line 208: invalid
constant used : fangsong
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 10: invalid
constant used : serif
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 18: invalid
constant used : sans-serif
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 26: invalid
constant used : monospace
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 34: invalid
constant used : emoji
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 42: invalid
constant used : math
free(): invalid next size (normal)
Neúspěšně ukončen (SIGABRT)     (core dumped [obraz paměti uložen])
./plocha/rkward-master-2651-linux-gcc-x86_64.appimage

My current R:

$ R

R version 4.6.1 (2026-06-24) -- "Happy Hop"
Copyright (C) 2026 The R Foundation for Statistical Computing
Platform: x86_64-suse-linux-gnu

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> sessionInfo()
R version 4.6.1 (2026-06-24)
Platform: x86_64-suse-linux-gnu
Running under: openSUSE Tumbleweed

Matrix products: default
BLAS:   /usr/lib64/R/lib/libRblas.so
LAPACK: /usr/lib64/R/lib/libRlapack.so;  LAPACK version 3.12.1

locale:
 [1] LC_CTYPE=cs_CZ.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=cs_CZ.UTF-8        LC_COLLATE=cs_CZ.UTF-8
 [5] LC_MONETARY=cs_CZ.UTF-8    LC_MESSAGES=cs_CZ.UTF-8
 [7] LC_PAPER=cs_CZ.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=cs_CZ.UTF-8 LC_IDENTIFICATION=C

time zone: Europe/Prague
tzcode source: system (glibc)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_4.6.1

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