Not Redirecting to payment page. showing jquery error

[code]
<label> Je naam (verplicht)
[text* your-name] </label>

<label> Je e-mailadres (verplicht)
[email* your-email] </label>

[hidden paymentdescription 'Payment for some description']

[submission_id_hidden orderid]

<label> Donation amount
<input type="amount" name="amount-629" value="56" readonly="readonly" size="10" class="wpcf7-form-control wpcf7-text wpcf7-amount wpcf7-validates-as-required" aria-required="true" aria-invalid="false"></label>

<label> Payment method
[paymentchoice paymentmethod-901 paymenttype:oneoff]</label>

<label> Your bank brand
[bankchoice bankchoice-22]</label>

[submit 'Verzenden']
[/code]

this is my contact form. When i try to submit this form showing POST https://www.education.essence.nl/wp-json/contact-form-7/v1/contact-forms/353/feedback 500 (Internal Server Error) this error. contact form not responsed and also not redirected to payment page.