Order ID Missing error on Card Form

I have Paypal checkout on my form.

When people select what they want to purchase and are ready to pay, they can click the 'pay with paypal button', but they can also click the 'submit' button at the bottom right of the jotform.

when they click the bottom right submit button it shows an error. i attached a screenshot below. can you fix this

Hi!

It seems that you submitted the form without clicking the Paypal button first. Hence, the payment will not be completed.

To prevent the user from submitting the form without clicking the PayPal button first, set the field as required:

Please try that and let us know how it goes.