How to fix KSEF-BUS-128?

Check the email addresses on the invoice (Email or EmailPU fields) — valid format is: name@domain.com, maximum 255 characters.

KSEF-BUS-128 INFERRED Error Gov Enforced

Invalid email format (missing '@' or chars)

Błędny format adresu e-mail

Email address in invoice data is missing '@' or has an invalid length. Email addresses must have a valid format.

Check the email addresses on the invoice (Email or EmailPU fields) — valid format is: [email protected], maximum 255 characters.

Brochure FA(3), Section DaneKontaktowe (XSD TAdresEmail)

Page 24

“Email address must contain '@' and meet length constraints (3-255).”

Description SHA-256: 7ef39e334775…

FORMAT

Adres e-mail w DaneKontaktowe

“Buyer's e-mail address (e.g. [email protected]) [optional field]”

Brochure FA(3), Section DaneKontaktowe (Page 24)