Uncaught Exception: Page 'index.md' was not found about wikitten

[fjxhkj]

vim config.php
uncomment the define('ENABLE_EDITING', true); line.
try again!

[bulubula]

vi wiki.php
comment the line 52,
like // throw new Exception("Page '$page' was not found");
try again!

[coffe1nk2]

I got this error too

[Fri Apr 17 00:38:10.523325 2020] [php7:error] [pid 3181] [client 192.168.50.1:48293] PHP Fatal error: Uncaught Exception: Page 'index.md' was not found in /var/www/html/wikitten/wiki.php:52\nStack trace:\n#0 /var/www/html/wikitten/wiki.php(133): Wiki->{closure}()\n#1 /var/www/html/wikitten/wiki.php(401): Wiki->_render('index.md')\n#2 /var/www/html/wikitten/wiki.php(339): Wiki->indexAction()\n#3 /var/www/html/wikitten/index.php(34): Wiki->dispatch()\n#4 {main}\n thrown in /var/www/html/wikitten/wiki.php on line 52

Apache/2.4.6 (CentOS)
PHP 7.3.4