Blocks and column error

[Przemoo]

Hi. when i try add some column like Tag cloud on forumhome am getting error:

Fatal error: Uncaught exception 'Exception' with message 'Invalid block type name'

i've try to overwrite files but still causing that error

[kh99]

What exactly did you do to add your Tag cloud column?

[Przemoo]

problem solved, somehow folder blocks has been removed from ftp :)