With the 7.9.4 version. In the mail module, when I click on the title of a mail, i have the body of an another mail.
This is a known issue, fixed in the next version, but if you need to apply the fix manually it’s very easy:
Ok thanks a lot. I have some blank page with some email but it’s better now.
For blank pages there is usually an explanation in the web server log (frequently called php_errors.log or errors.log)