Intermittent 'Undefined index` in PHP code
A user reported occasionally getting messages like the ones below after authenticating on segments-web.ligo.org:
Notice: Undefined index: default_host in /usr/share/dqsegdb_web/classes/GetStructure.php on line 525
Notice: Undefined index: default_host in /usr/share/dqsegdb_web/classes/GetStructure.php on line 527Most recent occurrence was ~2:35 AM EDT on 2023.05.11 = ~23:35 PDT on 2023.05.10, when accessing https://segments-web.ligo.org/?c=00035. Screen shot is linked below.
Note that the error (notification) usually does not show up when a user authenticates on segments-web.
