Error: (1045) Access denied for user 'ifo_34473355'@''

Hi and welcome to the forum! Please note that this is an English-speaking forum and so you must speak in English or at least provide accurate translation of your content. Since you didn’t do that, and I know a bit of French, I can translate all of this for you:

The first error I see is on the title; the username is not ifo_34473355 but it’s if0_34473355. If you still have errors after you changed it, please see this article: