Possible reasons:

• amount must be positive
• transaction with this external_id was already attempted

Not authenticated

the authority account cannot be used as the account for a transaction

Possible reasons:

• fiat provider config not found for to
• fiat provider config not found for user_id
• financial account not configured

user is archived

The request body is valid JSON but does not match the expected schema.

Possible reasons:

• attempt to verify existing contract failed
• could not begin transactional query
• database error
• failed to build contract
• failed to commit database transaction
• failed to create transaction
• failed to deserialize fiat provider config
• failed to save contract