Delete row 51 from invoices

id 51
trainer_id 2
student_id 32
invoice_no 2026-0021
category lesson
lines [{"service":"Einzelstunde am 11.10.202 ...
total_cents 7000
status draft
issued_at 2026-10-11
paid_at NULL
archived_at NULL
reminder1_at NULL
reminder2_at NULL
paid_method NULL
Cancel