FF01

Invalid File Format

Un error de formato o estructura en el mensaje de pago impidió al banco receptor procesarlo.

FF01 is a technical rejection. The payment message itself is structurally wrong — a mandatory field is missing, a date is in the wrong format, an IBAN fails check-digit validation, or a BIC has the wrong number of characters.

This is the sender's bank's error, not yours. Contact your bank, quote the UETR and the FF01 code, and ask them to correct and resend the message.

How to fix FF01

Contacte a su banco (remitente), indique el UETR y el código FF01 y solicite que corrijan y reenvíen.

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→ Full FF01 reference (English)