//Display User on Picture
function html_display_user($pid)
{
	global $CONFIG, $USER, $CURRENT_ALBUM_DATA, $username,$FAVPICS,$CURRENT_PIC_DATA,$THEME_DIR,$MAIN_CFG;
	global $template_user_on_picture, $template_add_your_username, $db;
	$html = '';
		
      $tmpl_uop_buttons = template_extract_block($template_user_on_picture, 'buttons', '{BUTTONS}');
	$tmpl_uop_ipinfo = template_extract_block($template_user_on_picture, 'ipinfo', '{IPINFO}');
	$result = $db->sql_query("SELECT uop_id, uop_author, uop_date, uop_uid, uop_hdr_ip FROM {$CONFIG['TABLE_USERONPICTURE']} WHERE pid='$pid' ORDER BY uop_id ASC",false, __FILE__,__LINE__);
	while ($row = $db->sql_fetchrow($result)) {
		$user_can_edit = (GALLERY_ADMIN_MODE || (USER_ID > 1 && USER_ID == $row['uop_id'] && USER_CAN_POST_COMMENTS));
		$uop_buttons = $user_can_edit ? $tmpl_uop_buttons : '';
		$uop_edit_box = $user_can_edit ? $tmpl_uop_edit_box : '';
		$uop_ipinfo = ($row['uop_hdr_ip'] && GALLERY_ADMIN_MODE)?$tmpl_uop_ipinfo : '';
		
		$params = array('{EDIT}' => &$uop_edit_box,
			'{BUTTONS}' => &$uop_buttons,
			'{IPINFO}' => &$uop_ipinfo
		);
		$template = template_eval($template_user_on_picture, $params);
		$info = '';
		
		$params = array('{UOP_AUTHOR}' => $row['uop_author'],
			'{UOP_ID}' => $row['uop_id'],
			'{EDIT_TITLE}' => COM_EDIT_TITLE,
			'{CONFIRM_DELETE}' => CONFIRM_DELETE_COM,
			'{DELETE_LINK}' => getlink("&file=delete"),
			'{DELETE_TEXT}' => DELETE.' '.USER_ON_PICTURE,
			'{UOP_DATE}' => localised_date($row['uop_date'], COMMENT_DATE_FMT),
			'{UOP_AVATAR}' => $avatar,
			'{OK}' => OK,
			'{UOP_IP}' => decode_ip($row['uop_hdr_ip']),
			'{ACTION}' => 'action="'.getlink('&file=db_input').'" enctype="multipart/form-data" accept-charset="utf-8"',
			'{THEMEDIR}' => $THEME_DIR,

		);

		$html .= template_eval($template, $params);
	}
	if (USER_CAN_POST_COMMENTS) {
		if (USER_ID > 1) {
			$username_input = '<input type="hidden" name="uop_author" value="' . CPG_USERNAME . '" />';
			template_extract_block($template_add_your_username, 'display_user_input', $display_user_input);
			// $username = '';
		} else {
			$username = isset($USER['name']) ? '"' . htmlprepare($USER['name']) . '"' : '"' . YOUR_NAME . '" onclick="javascript:this.value=\'\';"';
		}
	

			$params = array('{NAME}' => COM_NAME,
			'{PIC_ID}' => $pid,
			'{username}' => $username,
			'{MAX_COM_LENGTH}' => $CONFIG['max_com_size'],
			'{OK}' => OK,
			'{ACTION}' => 'action="'.getlink("&file=db_input").'" enctype="multipart/form-data" accept-charset="utf-8"',

		);
		
		$html .= template_eval($template_add_your_username, $params);
	}
}

// Ende Display User on Picture

Theme:themes/reDesign/coppermine Template error
Failed to find block 'buttons'(#(<!-- BEGIN buttons -->)(.*?)(<!-- END buttons -->)#s) in :

$template_user_on_picture

themes/reDesign/coppermine/theme.inc

    * Warning line 541: Missing argument 7 for theme_display_image(), called in /var/www/modules/coppermine/displayimage.php on line 1089 and defined
    * Notice line 550: Undefined variable: user_on_picture

<?php
if (!defined('CPG_NUKE')) { exit; }
echo '<br />';
OpenTable();
global $prefix, $db, $CONFIG, $cpg_dir;

$cpg_dir = 'coppermine';

if (!is_active($cpg_dir)) {
   echo 'ERROR';
   return trigger_error($cpg_dir.' module is inactive', E_USER_WARNING);
}

$cpg_block = true;
require("modules/" . $cpg_dir . "/include/load.inc");
$cpg_block = false;
//$length = $CONFIG['thumbcols']; //number of thumbs
$length=5; //number of thumbs
$userinfo = getusrdata($username);


// END USER DEFINABLES
$getaid = $db->sql_query("select pid, uop_uid FROM ".$cpg_prefix."user_on_picture where uop_uid = '".$userinfo['user_id']."' GROUP BY uop_uid ORDER BY uop_uid LIMIT $length");
$row1 = $db->sql_fetchrow($getaid);
$aid1 = $row1['pid'];

$result = $db->sql_query("select pid, aid, filepath, filename FROM ".$cpg_prefix."pictures WHERE approved='1'  AND pid = '".$aid1."' GROUP BY pid ORDER BY pid DESC LIMIT $length",false,__FILE__,__LINE__);

if (!$row1) {echo '<center><br> <b>'.$userinfo['username'].'</b>ist auf keinem Bild verlinkt !<br><br></center>';
            CloseTable(); }
            else {


echo '<center><h3><b>'.$userinfo['username'].'s</b> ist verlinkt auf:</h3> <br>';


$pic = 0;
while ($row = $db->sql_fetchrow($result)) {

if (file_exists(get_pic_url($row,'normal'))){

   echo '<a href="' . getlink($cpg_dir . '&amp;file=displayimage&amp;album='.$row['aid'].'&amp;pid=' . $row['pid']) . '"><img src="' . get_pic_url($row,'thumb') . '" border="0" alt="Bild" width="60" /></a> '; }
else {

   echo '<a href="' . getlink($cpg_dir . '&amp;file=displayimage&amp;album='.$row['aid'].'&amp;pid=' . $row['pid']) . '"><img src="' . get_pic_url($row,'thumb') . '" border="0" alt="Bild" width="60" /></a>   '; }

   $pic++;
}
echo '<br /><br /><a href="'.getlink('coppermine&amp;cat='.$user_gallery).'">Profil Gallerie</a></center></p>';
}
CloseTable();