[kde] [Bug 451920] New: Changing format settings causes issues in applications

[David]

https://bugs.kde.org/show_bug.cgi?id=451920

            Bug ID: 451920
           Summary: Changing format settings causes issues in applications
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: david.cortes.rivera at gmail.com
  Target Milestone: ---

SUMMARY
If I change some specific format in the system settings without changing the
global, some applications will complain about something like LC_TYPE - e.g.:
During startup - Warning message:
Setting LC_TIME failed, using "C"

STEPS TO REPRODUCE
1. Go to Sytem Settings -> Regional Settings -> Formats.
2. Set the region to "en_US.UTF-8".
3. Reboot the computer.
4. Go back to the same place in the settings, but this time set the time format
to something non-default, such as "en_DE.UTF-8".
5. Reboot the computer.
6. Use random non-KDE applications and see what they have to say. For example,
try using R (in debian, this is package "r-base").

OBSERVED RESULT
R says:
During startup - Warning message:
Setting LC_TIME failed, using "C"

EXPECTED RESULT
Programs should not complain about format settings.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.24.3
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.0-5-amd64 (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 2700 Eight-Core Processor
Memory: 15.6 GiB of RAM
Graphics Processor: AMD VEGA10

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