500 Internal Server Error when inviting an administrator user (within /proprietor/accounts).

[DanukaH]

When trying to add/invite an administrator user (within /proprietor/accounts), we are getting the following issue. It has been working fine before. and we haven't made any changes recently.

Has any of you guys had this issue before?

INFO 2024-10-10T18:42:47.308503890Z [resource.labels.containerName: web] App 9430 output: I, [2024-10-10T18:42:47.238732 #9430] INFO -- : [9e43e3fe-76c1-4761-9016-84d5413ce212] Completed 500 Internal Server Error in 1031ms (ActiveRecord: 115.2ms)
INFO 2024-10-10T18:42:48.308754211Z [resource.labels.containerName: web] App 9430 output: F, [2024-10-10T18:42:47.369723 #9430] FATAL -- : [9e43e3fe-76c1-4761-9016-84d5413ce212]
INFO 2024-10-10T18:42:48.308909470Z [resource.labels.containerName: web] App 9430 output: F, [2024-10-10T18:42:47.369911 #9430] FATAL -- : [9e43e3fe-76c1-4761-9016-84d5413ce212] SystemStackError (stack level too deep):
INFO 2024-10-10T18:42:48.309035054Z [resource.labels.containerName: web] App 9430 output: F, [2024-10-10T18:42:47.369966 #9430] FATAL -- : [9e43e3fe-76c1-4761-9016-84d5413ce212]
INFO 2024-10-10T18:42:48.309165618Z [resource.labels.containerName: web] App 9430 output: F, [2024-10-10T18:42:47.370024 #9430] FATAL -- : [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/site.rb:62:in `block in add_admins_by_email'
INFO 2024-10-10T18:42:48.309288825Z [resource.labels.containerName: web] App 9430 output: [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/site.rb:61:in `each'
INFO 2024-10-10T18:42:48.309426824Z [resource.labels.containerName: web] App 9430 output: [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/site.rb:61:in `add_admins_by_email'
INFO 2024-10-10T18:42:48.309594641Z [resource.labels.containerName: web] App 9430 output: [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/site.rb:46:in `admin_emails='
INFO 2024-10-10T18:42:48.309730123Z [resource.labels.containerName: web] App 9430 output: [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/account.rb:135:in `block in admin_emails='
INFO 2024-10-10T18:42:48.309857721Z [resource.labels.containerName: web] App 9430 output: [9e43e3fe-76c1-4761-9016-84d5413ce212] app/models/account.rb:134:in `admin_emails='