Hi panamerik,
Can you deactivate all your plugin and try it again.Your host may have disabled the mail() function. It must be enabled on your server. If still you have the same problem, you can use Ninja Forms alternatively instead of the default contact form.
Thanks
Hello, i’m already deactivate and activate all the plugins but the problem persist. I’m using formcraft, how can I add the short code, because when I put them between…