Not Displaing Interactive form in page

Hi All,

I am was working with adobe interactive forms but suddenly stoped showing the form on one fine morning. bellow is the error given by server

'sapUrDomainRelaxing' is undefined

any one has any idea what could be this error. I tried to develop a simple application where there is just a simple interactive form so no other complexity in the form. so this is not the error in development / code. what could be the other issue as previously it was running fine

Thanks

Ninad