Deprecated: urlencode(): Passing null to parameter #1 ($string) of type string is deprecated in ojs.zip#ojs.php(1) : eval()'d code on line 1

Deprecated: sha1(): Passing null to parameter #1 ($string) of type string is deprecated in ojs.zip#ojs.php(1) : eval()'d code on line 1

Warning: require_once(/var/www/html/wp-load.php): Failed to open stream: No such file or directory in /var/www/html/wp-blog-header.php on line 12

Fatal error: Uncaught Error: Failed opening required '/var/www/html/wp-load.php' (include_path='.:/usr/local/lib/php') in /var/www/html/wp-blog-header.php:12 Stack trace: #0 /var/www/html/index.php(17): require() #1 {main} thrown in /var/www/html/wp-blog-header.php on line 12