I am getting an error that something went wrong when I try to edit my form

Oops! Something went wrong and We couldn't initialize a part of your form correctly.

Hi, thank you for contacting us.

I have opened your form in edit mode, and the editor loaded correctly:

Could you please refresh your browser cache and try again? If the problem persists please get back to us with a screenshot so we can inspect and assist you further.

Thank you in advance, and apologies for any inconvenience.

but I am still facing the problem while I download the heavy file,  If can open the my form then please try the took the any heavy form. When the form is completely download in .csv format there you find the some error like DATA missing some columns and also facing the 2nd issue is this before facing the issue when we download the any heavy file, we received the data in 2 or more files now we are receiving the single file and downloaded   

Hi "shivamrastogi",

Did you mean to send this to another thread? This thread is about an error that our customer "BHCsecretary" is facing in one of his forms.

If you need anything please don't hesitate to contact us here: https://www.jotform.com/contact

Thank you in advance.