Warning: include_once(): Failed opening — urgent please

hello
can anyone please tell me what error is this. My site is completely dead and gives these errors –

Warning: include_once(/home4/vishinde/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase1.php): failed to open stream: No such file or directory in /home4/vishinde/public_html/wp-content/advanced-cache.php on line 10

Warning: include_once(): Failed opening ‘/home4/vishinde/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase1.php’ for inclusion (include_path=’.:/opt/php54/lib/php’) in /home4/vishinde/public_html/wp-content/advanced-cache.php on line 10

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/cache.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/capabilities.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/author-template.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/category.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/category-template.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/bookmark.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/bookmark-template.php on line 2

Notice: Undefined index: F1l3 in /home4/vishinde/public_html/wp-includes/canonical.php on line 2