Text dissappear from webform after click on submit button vba

[Shriyan]

I am trying to submit one form in webpage using vba excel as inputs. I can see text appearing on each form fields but gets dissappear when I click on submit button.
When I manually click on each field, the size of field gets extended and text won't dissappear.

Can anyone please help why it is happening.
For security reasons I cannot share the code and url.

I'm using IE browser.