Comment 9 for bug 1704893

The attached file is the result of running this command:
$ rm -Rf ~/.config/libreoffice; libreoffice --calc --backtrace; rm -Rf ~/.config/libreoffice; libreoffice --help --backtrace

$ libreoffice --help results in this output:
terminate called after throwing an instance of 'com::sun::star::uno::DeploymentException'
$ libreoffice --calc results in this output:
I18N: Operating system doesn't support locale ""
I18N: Operating system doesn't support locale "en_US"
Fatal exception: Signal 11
Stack:
/usr/lib/libreoffice/program/libuno_sal.so.3(+0x13568)[0x7f85d1385568]
/usr/lib/libreoffice/program/libuno_sal.so.3(+0x3c5d6)[0x7f85d13ae5d6]
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20)[0x7f85d0fbff20]
/usr/lib/libreoffice/program/libuno_cppu.so.3(uno_type_any_assign+0x705)[0x7f85ca666dc5]
/usr/lib/libreoffice/program/libmergedlo.so(+0x2948148)[0x7f85d3f14148]
/usr/lib/libreoffice/program/libmergedlo.so(+0x2948eea)[0x7f85d3f14eea]
/usr/lib/libreoffice/program/libmergedlo.so(_ZN3utl10ConfigItemC2ERKN3rtl8OUStringE14ConfigItemMode+0xcb)[0x7f85d3f0947b]
/usr/lib/libreoffice/program/libmergedlo.so(+0x29a1d95)[0x7f85d3f6dd95]
/usr/lib/libreoffice/program/libmergedlo.so(_ZN19SvtSysLocaleOptionsC1Ev+0x125)[0x7f85d3f6f345]
/usr/lib/libreoffice/program/libmergedlo.so(_Z7InitVCLv+0x1a0)[0x7f85d42bba00]
/usr/lib/libreoffice/program/libmergedlo.so(+0x2cf11dd)[0x7f85d42bd1dd]
/usr/lib/libreoffice/program/libmergedlo.so(_Z6SVMainv+0x30)[0x7f85d42bd240]
/usr/lib/libreoffice/program/libmergedlo.so(soffice_main+0x115)[0x7f85d3301fe5]
/usr/lib/libreoffice/program/soffice.bin(+0x78b)[0x560ecfdc278b]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7f85d0fa2b97]
/usr/lib/libreoffice/program/soffice.bin(+0x7ca)[0x560ecfdc27ca]

## Environment Info
$ apt show libreoffice-calc |grep -i Version
Version: 1:6.0.7-0ubuntu0.18.04.10
$ lsb_release -d
Description: Ubuntu 18.04.3 LTS
$ java --version
openjdk 11.0.6 2020-01-14
OpenJDK Runtime Environment (build 11.0.6+10-post-Ubuntu-1ubuntu118.04.1)
OpenJDK 64-Bit Server VM (build 11.0.6+10-post-Ubuntu-1ubuntu118.04.1, mixed mode, sharing)