ntozier Please check below Apache Error logs, in case you can suggest something-
[Fri May 10 12:06:48.876656 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:51.730853 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:52.776939 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:53.613728 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:56.634475 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:57.480464 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:06:59.237598 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:07:00.461188 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:07:02.059639 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110
[Fri May 10 12:07:03.040913 2019] [php7:error] [pid 20206:tid 140097591437056] [client 42.111.208.85:57023] PHP Fatal error: Class ListObject contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (IteratorAggregate::getIterator, Serializable::serialize) in /var/www/html/support/include/class.util.php on line 110