Unable to change password when SSO is enabled

[pascalmaes]

We use both SSO and local logins.
When a user from outside the university logs in using the local connection, he cannot change his password.

Version

6.2.72

Installation method

source package

Expected behavior

For users using the Local connection, the password may be changed

Actual behavior

The password for Local connection cannot be changed

Steps to reproduce

Additional information

in pref.tt2, whe have :

[% UNLESS sso.size %]
    <h3 id="pref-change-password">[%|loc%]Changing your password[%END%]</h3>

    <form action="[% path_cgi %]" method="post">
        <fieldset>
            <label for="newpasswd1">[%|loc%]New password:[%END%]  </label>
            <input type="password" name="newpasswd1" id="newpasswd1" size="25" />
            <label for="newpasswd2">[%|loc%]Re-enter your new password:[%END%]  </label>
            <input type="password" name="newpasswd2" id="newpasswd2" size="25" />
            <input class="MainMenuLinks" type="submit" name="action_setpasswd" value="[%|loc%]Submit[%END%]" />
        </fieldset>
    </form>
[% END %]