MediaWiki:Pt-movepage-block-subpage-invalid/qqq

This message may mean: Parameters:
 * The user tried to move the page "$1" to a new page title.
 * If successful, the page, along with the translation units will be moved to the target pages.
 * But the destination subpage title for the translation unit would be invalid (too long?).
 * $1 - old page title (translatable page title)