Thread:Project:Support desk/Warning: preg replace(): Compilation failed: group name must start with a non-digit at offset 4 i

Just noticed today lots of errors: http://www.speedsolving.com/wiki/index.php/Main_Page

Warning: preg_replace: Compilation failed: group name must start with a non-digit at offset 4 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 851

Warning: preg_match_all: Compilation failed: group name must start with a non-digit at offset 4 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 846

Warning: Invalid argument supplied for foreach in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 847

Warning: preg_replace: Compilation failed: group name must start with a non-digit at offset 4 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 851

Warning: preg_match: Compilation failed: group name must start with a non-digit at offset 8 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 872

Warning: preg_match: Compilation failed: group name must start with a non-digit at offset 8 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 872

Warning: preg_match: Compilation failed: group name must start with a non-digit at offset 8 in /home/patjk/public_html/speedsolving/wiki/includes/MagicWord.php on line 872

Just started today. PHP version	5.4.30 MySQL version	5.6.16 Mediawiki: not sure, maybe 8 months ago (can't find it with these errors)

What do I need to do?

Thanks.