Define error "Can't shift objects off sheet"

[oilsands]

While trying to hide colums in a large workbook, I get the above error message.
Why am I unable to hide columns suddenly ?

 

[Wigi]

Check whether you have data in your last column(s).

 

[Gord Dibben]

Have a look here at this KB Article

http://support.microsoft.com/default.aspx?scid=kb;en-us;211769


Gord Dibben MS Excel MVP