ERROR: duplicate key value violates unique constraint "MeetingMember_pkey"

[rafaelromcar-parabol]

Issue - Bug

• How serious is the bug? P0 - P4
• OS: macOS / Linux / Windows / ? -
• Browser: Chrome / Safari / Lynx / ? + version -
• Node version: node --version v20.11.00
• NPM version: npm --version

In the CloudSQL error logs we can see multiple lines like the following

ERROR:  duplicate key value violates unique constraint "MeetingMember_pkey"

Acceptance Criteria (optional)

No more duplicate keys are created

Triage is performed to find the root cause of the bug, timeboxed to ~1 hour.

Estimated effort: 1 hour to triage. More if root cause is already identified.