I have tried again changing email, first name, using pHP 7.0.29 and 5.06.35. I receive always the same error. I have also tried with another domain and same error.
There is something wrong in my server then i suppose. But it's happened only after the upgrade to the last version of Plesk because...
I have Plesk Onyx Version 17.8.11. When i try to install Magento 2.1 as application the installation arrive to 96% and i receive the following errors:
Error: The following error has occurred during the installation of application:
Installation of magento at Example Domain failed. Non-zero exit...