It was the option of PHP version. I didn't use the 7 version.

Thank you

I need help please. I have a problem when I install formalms 3.2.1. I am on windows 10 and I have installed wamp 3.3.0 x64. If I try to install I get the error messages that I put in the attachment. And I don't understand even though I followed the instructions well. (I already tested with xampp too ...