Error message

• Notice: Undefined index: lng in require() (line 23 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/page/header.tpl.php).
• Notice: Undefined index: lng in require() (line 24 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/page/header.tpl.php).
• Notice: Undefined index: und in include() (line 67 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/node--noticia.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 67 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/node--noticia.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 67 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/node--noticia.tpl.php).
• Warning: Invalid argument supplied for foreach() in read_time_calculate() (line 183 of /var/www/vhosts/rovi.es/httpdocs/sites/all/modules/read_time/read_time.module).
• Notice: Undefined index: #file in include() (line 61 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/field--field-pdf--noticia.tpl.php).
• Notice: Trying to get property 'uri' of non-object in include() (line 61 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/field--field-pdf--noticia.tpl.php).
• Warning: Invalid argument supplied for foreach() in read_time_calculate() (line 183 of /var/www/vhosts/rovi.es/httpdocs/sites/all/modules/read_time/read_time.module).
• Notice: Undefined variable: base_url in include() (line 505 of /var/www/vhosts/rovi.es/httpdocs/sites/all/themes/gavias_mely/gavias_mely_sub/template/html.tpl.php).
• Notice: Undefined index: content in _drupal_default_html_head() (line 345 of /var/www/vhosts/rovi.es/httpdocs/includes/common.inc).