Error message

• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in include() (line 29 of sites/all/themes/leticiahoy/views/views-view-field--block--field-youtube-url.tpl.php).
• Warning: Undefined variable $list_type_prefix in include() (line 19 of sites/all/themes/leticiahoy/views/views-view-unformatted--muro--block-1.tpl.php).
• Warning: Undefined variable $wrapper_suffix in include() (line 28 of sites/all/themes/leticiahoy/views/views-view-unformatted--muro--block-1.tpl.php).