Email notification error when user story status change

Whenever there is a user story status change, the email is not getting sent and the log shows:

Jul  4 11:13:17 taiga celery[1537114]: [2024-07-04 11:13:17,922: INFO/Beat] Scheduler: Sending due task send-bulk-emails (taiga.projects.notifications.tasks.send_bulk_email)
Jul  4 11:13:17 taiga celery[1537087]: [2024-07-04 11:13:17,924: INFO/MainProcess] Task taiga.projects.notifications.tasks.send_bulk_email[97e0299e-79f0-4f14-a53b-2f9c7f0c9c99] received
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name.
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,950: WARNING/ForkPoolWorker-3] Property: Unknown Property name.
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,957: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,958: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,958: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,958: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,958: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,959: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,959: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,959: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,960: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -webkit-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,960: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:31: -ms-text-size-adjust]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: mso-table-lspace]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,960: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: mso-table-lspace]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:20: mso-table-rspace]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,960: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:20: mso-table-rspace]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: mso-table-lspace]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,961: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: mso-table-lspace]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:20: mso-table-rspace]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,961: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:20: mso-table-rspace]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,961: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,995: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,997: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,998: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: WARNING#011Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:17 taiga celery[1537111]: [2024-07-04 11:13:17,999: WARNING/ForkPoolWorker-3] Property: Unknown Property name. [1:1: -ms-interpolation-mode]
Jul  4 11:13:18 taiga celery[1537111]: WARNING#011Property: Unknown Property name.

Other notification emails (tagged comment, etc…) are working