Uncaught TypeError: Cannot read property 'indexOf' of undefined
at Object. (checkout.js?ver=5.3.0:102)
at c (jquery.min.js?ver=3.5.1:2)
at Object.add [as done] (jquery.min.js?ver=3.5.1:2)
at Object.always (jquery.min.js?ver=3.5.1:2)
at Object.e. [as complete] (jquery-migrate.min.js?ver=3.3.2:2)
at initPayfortFortPayment (checkout.js?ver=5.3.0:89)
at fortFormHandler (checkout.js?ver=5.3.0:44)
at HTMLFormElement. (checkout.js?ver=5.3.0:7)
at HTMLFormElement.dispatch (jquery.min.js?ver=3.5.1:2)
at HTMLFormElement.v.handle (jquery.min.js?ver=3.5.1:2)
Uncaught TypeError: Cannot read property 'indexOf' of undefined at Object. (checkout.js?ver=5.3.0:102)
at c (jquery.min.js?ver=3.5.1:2)
at Object.add [as done] (jquery.min.js?ver=3.5.1:2)
at Object.always (jquery.min.js?ver=3.5.1:2)
at Object.e. [as complete] (jquery-migrate.min.js?ver=3.3.2:2)
at initPayfortFortPayment (checkout.js?ver=5.3.0:89)
at fortFormHandler (checkout.js?ver=5.3.0:44)
at HTMLFormElement. (checkout.js?ver=5.3.0:7)
at HTMLFormElement.dispatch (jquery.min.js?ver=3.5.1:2)
at HTMLFormElement.v.handle (jquery.min.js?ver=3.5.1:2)