Windu ERROR

Syntax error in template "eval:{{W name=galleryFancybox bucket=1984 fit..." on line 2 "{{mailto address="stanislaw.drutel@amg.pl" extra="class="btn-catalog link2"" encode="javascript" text="{{L key="editable.front.zapytanieprodukt"}}" subject="{{$page->name}}" }}" - Unexpected "btn", expected one of: "}}"