Billing & Subscription Errors

Error code	What it means	What to do
BILLING_PLAN_NOT_FOUND	The referenced billing plan does not exist.	Verify the plan ID or contact platform admin.
BILLING_INVOICE_NOT_FOUND	The invoice record cannot be located.	Check the invoice ID or regenerate from billing history.
BILLING_INVOICE_AMOUNT_MUST_BE_NON_NEGATIVE	Invoice amount must be zero or positive.	Correct the amount before saving.
BILLING_HISTORY_NOT_FOUND	No billing history found for this account.	No billing events have been recorded yet.
BILLING_HISTORY_INVALID_ACTION	The action is not valid for the current billing state.	Check subscription status before performing this action.
BILLING_NOTIFICATION_ALREADY_SENT	This billing notification has already been sent.	No action needed — duplicate send prevented.
BILLING_NOTIFICATION_SCHEDULE_DATE_MUST_BE_IN_FUTURE	Scheduled notification date must be in the future.	Set the notification date to a future date.
BILLING_SUBSCRIPTION_INVALID_FOR_INVOICE_GENERATION	Subscription state prevents invoice generation.	Activate the subscription before generating an invoice.
SUBSCRIPTION_NOT_FOUND	No subscription found for this company.	Check billing setup or create a new subscription.
SUBSCRIPTION_NOT_ACTIVATED_CANNOT_SET_TRIAL_OR_BILLING	Subscription must be activated first.	Activate the subscription before setting trial or billing dates.
COMPANY_ALREADY_HAS_ACTIVE_SUBSCRIPTION	Company already has an active subscription.	Cancel or expire the current plan before creating a new one.
SUBSCRIPTION_PRICE_MUST_BE_NON_NEGATIVE	Subscription price must be zero or positive.	Enter a valid non-negative price.