Rake freeze_edge doesn't work

Rails
1

I got these messages running ‘rake freeze_edge’ in the application
directory

rake aborted!
Don’t know how to build task ‘freeze_edge’

What gives ?

TIA

2

Okay, I found that I have an old version of rake that didn’t play with
Rails.

nooby wrote:

I got these messages running ‘rake freeze_edge’ in the application
directory

rake aborted!
Don’t know how to build task ‘freeze_edge’

What gives ?

TIA