CHW-5403 BillingPlanUpdateFailed
unable to update the plan assignment; retry shortly and contact support if the failure persists
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Default message: unable to update the plan assignment; retry shortly and contact support if the failure persists
HTTP status:500(server)
Problem. /api/billing/checkout (Free path) returned 500.
Cause. The upsert of org_plan_assignments failed. Fix. Retry;
if persistent, the row may be locked or the unique index is corrupted
— escalate to the operator. HTTP 500.