Unable to submit edited form

I am unable to submit the form after editing the uploaded form in kobo web, I need to make some changes in the data, after editing the form, when i press submit button, It is not being submitted.
Please help me with the issue

Could you kindly let us know the server you are using?

Dear Kal_lam,
I am not using any other servers. Using the server provided by KOBO

Could you please let us know the server i.e. HHI server- https://kf.kobotoolbox.org/ or OCHA server- https://kobo.humanitarianresponse.info/.