The package hyperref has already been loaded with options:
  [unicode=true,pdfusetitle,bookmarks=true,bookmarksnumbered=false,bookmarksope
n=false,breaklinks=false,pdfborder={0 0 0},backref=false,colorlinks=true]
There has now been an attempt to load it with options
  [unicode]
Adding the global options:
  unicode=true,pdfusetitle,bookmarks=true,bookmarksnumbered=false,bookmarksopen
=false,breaklinks=false,pdfborder={0 0 0},backref=false,colorlinks=true,unicode