[Seductor]

I have made this fixes:

First of all, the original verify_permissions is this:

PHP Code:

abstract protected function verify_permissions($info = array()); 


So your verify_permissions should have the same arguments:

PHP Code:

    public function verify_permissions($info = array())
    {
        global $show;

        require_once(DIR . '/includes/functions_vbglossar.php');
        
        $this->values['id'] = intval($this->values['id']) ? intval($this->values['id']) : intval($this->values['entryid']);

        if ($this->values['id'])
        {
            $this->entryinfo = fetch_entryinfo($this->values['id']);
            $this->contentid = $this->values['id'];
            $this->userinfo = fetch_userinfo($this->entryinfo['userid']);
            cache_permissions($this->userinfo);
        }
        else
        {
            if ($userid = intval($this->values['u']) AND $userinfo = fetch_userinfo($userid))
            {
                $this->userinfo = $userinfo;
                cache_permissions($this->userinfo);
            }
            else
            {
                $this->userinfo = $this->registry->userinfo;
            }
        }

        if (
            !($this->registry->userinfo['permissions']['groupvbglossar'] & $this->registry->bf_ugp_groupvbglossar['canentervbglossar'])
            OR
            !($this->registry->userinfo['permissions']['groupvbglossar'] & $this->registry->bf_ugp_groupvbglossar['canviewentry'])
            OR
            !($this->registry->userinfo['permissions']['groupvbglossar'] & $this->registry->bf_ugp_groupvbglossar['canattachtoentry'])
        )
        {
            // no permission to view glossar, glossar entries or attachments
            return false;
        }

        if (
            !($this->registry->userinfo['permissions']['groupvbglossar'] & $this->registry->bf_ugp_groupvbglossar['canadminvbglossar'])
            AND
            !$this->entryinfo['status']
        )
        {
            // no permission to moderate and entry is moderated
            return false;
        }
        
        if (!$this->entryinfo['groupshow'])
        {
            if (!array_intersect(fetch_membergroupids_array($this->registry->userinfo), explode(',', $this->attachmentinfo['groupshowlist'])))
            {
                // usergroup is not allowed to access category
                return -1;
            }
        }

        return true;
    } 


Now, all abstracts methods from the original class must have defined in your file. You need to define fetch_associated_contentinfo in your file:

PHP Code:

    protected function fetch_associated_contentinfo($attachmentid){
        return;
    } 


I have uploaded the new glossaryentry.php .

I don't see the Fatal error and I can browse my PMs. I think my fix is better than byalik's due to I'm not editing the attach.php original file.