Error message

• Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($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: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($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: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($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: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($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: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in location_handler_field_location_country->render() (line 42 of sites/all/modules/location/handlers/location_handler_field_location_country.inc).
• Deprecated function: strtoupper(): Passing null to parameter #1 ($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: 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).