Thread:Project:Support desk/Bad Admin username

I have a problem installing the Wiki software on my website. The installationscript has a problem with the admin username Admin username: Bad username

Please include all of the lines below when reporting installation problems. 	PHP 5.2.4 installed 	Found database drivers for: MySQL PostgreSQL SQLite 	PHP server API is cgi; using ugly URLs (index.php?title=Page_Title) 	Have XML / Latin1-UTF-8 conversion support. 	Session save path (/var/lib/php/session) appears to be valid. 	PHP's memory_limit is 128M bytes. 	Couldn't find eAccelerator, APC or XCache; cannot use these for object caching. 	Found GNU diff3: /usr/bin/diff3. 	Found ImageMagick: /usr/bin/convert; image thumbnailing will be enabled if you enable uploads. 	Found GD graphics library built-in. 	Installation directory: /home/vhosts/antwerpenbanjul.com/httpdocs/wiki 	Script URI path: /wiki 	Installing MediaWiki with php file extensions 	Environment checked. You can install MediaWiki.

Warning: preg_replace [function.preg-replace]: Compilation failed: this version of PCRE is not compiled with PCRE_UTF8 support at offset 0 in/home/vhosts/antwerpenbanjul.com/httpdocs/wiki/includes/Title.php on line 2285

Help anyone? Thanks in advance, Frits