Delete row 1 from invoices

id 1
trainer_id 1
student_id 2
invoice_no R-2026-0001
category card_purchase
lines [{"label":"Zehnerkarte","quant ...
total_cents 49900
status paid
issued_at 2026-07-22 16:12:21
paid_at 2026-07-24 08:42:40
archived_at NULL
reminder1_at NULL
reminder2_at NULL
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