Use the following link: http://solvay.keepeek.com, then press "Automatic connection".

Keepeek is using a SSO system (Single Sign On) based on your Google account. For this reason, you should not enter anything into the Keepeek identification form, just use the "Automatic connection" link:

After clicking this link, you could have to enter your Google account credentials.

You can also use the following link to bypass this Keepeek connection screen: https://solvay.keepeek.com/ssoSAML. Feel free to bookmark it.