> Can you provide the journal log from during that time frame?

For what service? For whoopsie, I see:

May 23 13:58:13 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:58:13 homer whoopsie[147832]: [13:58:13] Using lock path: /var/lock/whoopsie/lock
May 23 13:58:13 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:58:13 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:58:13 homer whoopsie[147855]: [13:58:13] Using lock path: /var/lock/whoopsie/lock
May 23 13:58:13 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:58:20 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:58:20 homer whoopsie[148149]: [13:58:20] Using lock path: /var/lock/whoopsie/lock
May 23 13:58:20 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:58:44 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:58:44 homer whoopsie[148216]: [13:58:44] Using lock path: /var/lock/whoopsie/lock
May 23 13:58:44 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:58:48 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:58:48 homer whoopsie[148496]: [13:58:48] Using lock path: /var/lock/whoopsie/lock
May 23 13:58:48 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:59:11 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:59:11 homer whoopsie[148522]: [13:59:11] Using lock path: /var/lock/whoopsie/lock
May 23 13:59:11 homer whoopsie[148522]: [13:59:11] Parsing /var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash.
May 23 13:59:11 homer whoopsie[148522]: [13:59:11] Unable to parse report (/var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash): /var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash could not be opened.
May 23 13:59:11 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:59:25 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:59:25 homer whoopsie[148594]: [13:59:25] Using lock path: /var/lock/whoopsie/lock
May 23 13:59:25 homer whoopsie[148594]: [13:59:25] Parsing /var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash.
May 23 13:59:25 homer whoopsie[148594]: [13:59:25] Unable to parse report (/var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash): /var/crash/_usr_bin_python-argcomplete-check-easy-install-script.1000.crash could not be opened.
May 23 13:59:25 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:59:25 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:59:25 homer whoopsie[148608]: [13:59:25] Using lock path: /var/lock/whoopsie/lock
May 23 13:59:25 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 13:59:29 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 13:59:29 homer whoopsie[148618]: [13:59:29] Using lock path: /var/lock/whoopsie/lock
May 23 13:59:29 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 14:01:44 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 14:01:44 homer whoopsie[148787]: [14:01:44] Using lock path: /var/lock/whoopsie/lock
May 23 14:01:44 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 14:01:44 homer systemd[1]: Started whoopsie.service - crash report submission.
May 23 14:01:44 homer whoopsie[148813]: [14:01:44] Using lock path: /var/lock/whoopsie/lock
May 23 14:01:44 homer systemd[1]: whoopsie.service: Deactivated successfully.
May 23 14:04:44 homer systemd[1]: Started whoopsie.service - crash report submission.
[...]

> Did that application crash multiple times?

No. It was a SINGLE crash.