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Status Column Information:
Array
(
    [Field] => status
    [Type] => enum('draft','sent','paid','void','payment_failed')
    [Null] => NO
    [Key] => MUL
    [Default] => draft
    [Extra] => 
)

Enum Values:
- draft
- sent
- paid
- void
- payment_failed

The 'payment_failed' status is already supported.