Libreoffice aborts before opening any input file, existent or non-existent.

$ which libreoffice
/usr/bin/libreoffice
$ /usr/bin/libreoffice test_file.csv
Unspecified Application Error
$

$ /usr/bin/libreoffice --version
LibreOffice 7.4.0.2 40(Build:2)
$ cat /etc/os-release
NAME=Slackware ...