Can use google translator and get you the output in few hour. Few translated as sample
"Invalid IBAN card number", - "Nieprawidłowy numer karty IBAN",
"Invalid BIC number", - "Nieprawidłowy numer BIC",
"Mobile or Phone field is required", - "Pole Mobile lub Telefon jest wymagane",
"Letters, numbers and spaces only permitted", - "Litery, cyfry i spacje dozwolone",
"Account Title", - "Konto",
Looking forward to hear from you. Thanks