If you are using
Joomla Form Maker Plugin, make sure that you have enabled the plugin “Content - Load Form Maker” from Extensions > Plug-in Manager.
You must insert the code {loadformmaker [ID]} into article, where [ID] is the id of the form.
If this steps do not solve your problem, please give us(to email
This email address is being protected from spambots. You need JavaScript enabled to view it.) a temporary admin user account to your site, and we will try to find out the problem as soon as possible.