```
[Thu Aug 24 18:56:51.002746 2017] [:error] [pid 22441] [client 2001:56a:f3a1:fc00:48:226a:ab54:b538:36308] PHP Warning: fwrite() expects parameter 1 to be resource, boolean given in /var/www/ffxiv.gamerescape.com/htdocs/w/extensions/DynamicPageList/DPLMain.php on line 3238, referer: https://ffxiv.gamerescape.com/wiki/Green_Quartz
[Thu Aug 24 18:56:51.002913 2017] [:error] [pid 22441] [client 2001:56a:f3a1:fc00:48:226a:ab54:b538:36308] PHP Warning: fwrite() expects parameter 1 to be resource, boolean given in /var/www/ffxiv.gamerescape.com/htdocs/w/extensions/DynamicPageList/DPLMain.php on line 3239, referer: https://ffxiv.gamerescape.com/wiki/Green_Quartz
[Thu Aug 24 18:56:51.003060 2017] [:error] [pid 22441] [client 2001:56a:f3a1:fc00:48:226a:ab54:b538:36308] PHP Warning: fwrite() expects parameter 1 to be resource, boolean given in /var/www/ffxiv.gamerescape.com/htdocs/w/extensions/DynamicPageList/DPLMain.php on line 3240, referer: https://ffxiv.gamerescape.com/wiki/Green_Quartz
[Thu Aug 24 18:56:51.003187 2017] [:error] [pid 22441] [client 2001:56a:f3a1:fc00:48:226a:ab54:b538:36308] PHP Warning: fclose() expects parameter 1 to be resource, boolean given in /var/www/ffxiv.gamerescape.com/htdocs/w/extensions/DynamicPageList/DPLMain.php on line 3241, referer: https://ffxiv.gamerescape.com/wiki/Green_Quartz
```
here are the relevant lines in the extension file:
```lang=php
fwrite( $cFile, $originalInput );
fwrite( $cFile, "+++\n" );
fwrite( $cFile, $output );
fclose( $cFile );
```