No not viewhelper. You have TypoScript code like: 1. page = PAGE 2. page.value = something 3. .... and so on... 30. lib.nav_main = COA 31. ..... and so on.... than i think you have a error in a line above line 30. So the parser breaks before it came to your "lib.nav_main". And maybe you need this: expAll = 1