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Fatal error: Template compilation failed: unknown tag {document.body^=~1;} in template 'index' on line 19

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=12003
Information:

error message: Template compilation failed: unknown tag {document.body^=~1;} in template 'index' on line 19
error code: 12003
file: /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/system/template/TemplateScriptingCompiler.class.php (284)
php version: 5.3.3-7+squeeze14
wcf version: 1.1.9 (Tempest)
date: Mon, 06 May 2013 20:05:37 +0000
request: /ermt2/board/
referer:
Stacktrace:

#0 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/system/template/TemplateScriptingCompiler.class.php(110): TemplateScriptingCompiler->compileTag('document.body^=...')
#1 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/system/template/TemplateCompiler.class.php(31): TemplateScriptingCompiler->compileString('index', '{include file="...')
#2 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/system/template/Template.class.php(360): TemplateCompiler->compile('index', '{include file="...', '/var/www/virtua...')
#3 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/system/template/Template.class.php(264): Template->compileTemplate('index', '/var/www/virtua...', '/var/www/virtua...')
#4 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/page/AbstractPage.class.php(100): Template->display('index')
#5 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/page/AbstractPage.class.php(46): AbstractPage->show()
#6 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/util/RequestHandler.class.php(64): AbstractPage->__construct()
#7 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/wcf/lib/util/RequestHandler.class.php(101): RequestHandler->__construct('Index', Array, 'page')
#8 /var/www/virtual/edkclan.menkisys.at/htdocs/ermt2/board/index.php(8): RequestHandler::handle(Array)
#9 {main}