ERROR - 2017-10-30 11:24:56 --> Severity: Warning --> mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_driver.php 77 ERROR - 2017-10-30 11:24:56 --> Severity: Warning --> mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_driver.php 77 ERROR - 2017-10-30 11:24:56 --> Unable to connect to the database ERROR - 2017-10-30 11:25:30 --> Severity: Warning --> mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_driver.php 77 ERROR - 2017-10-30 11:25:30 --> Severity: Warning --> mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_driver.php 77 ERROR - 2017-10-30 11:25:30 --> Unable to connect to the database ERROR - 2017-10-30 11:40:00 --> Severity: Warning --> mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_result.php 38 ERROR - 2017-10-30 11:40:15 --> Severity: Warning --> DOMXPath::query(): Invalid expression /opt/lampp/htdocs/30oct/siddharth_application/application/third_party/dompdf/include/stylesheet.cls.php 697 ERROR - 2017-10-30 11:40:15 --> Severity: Warning --> DOMXPath::query(): Invalid expression /opt/lampp/htdocs/30oct/siddharth_application/application/third_party/dompdf/include/stylesheet.cls.php 697 ERROR - 2017-10-30 11:41:38 --> Severity: Warning --> mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given /opt/lampp/htdocs/30oct/siddharth_application/system/database/drivers/mysqli/mysqli_result.php 38 ERROR - 2017-10-30 11:42:10 --> Severity: Warning --> DOMXPath::query(): Invalid expression /opt/lampp/htdocs/30oct/siddharth_application/application/third_party/dompdf/include/stylesheet.cls.php 697 ERROR - 2017-10-30 11:42:10 --> Severity: Warning --> DOMXPath::query(): Invalid expression /opt/lampp/htdocs/30oct/siddharth_application/application/third_party/dompdf/include/stylesheet.cls.php 697