Hello Steven,
> I get the following error-message:
> "Couldn''t find Activitycategory with ID=1"
>
> How do I make RoR handle this error?
> When the id is nog found he should return a string or 0 or whatever.
>
> I''m guessing by using exceptions but I''m not very
familiar with ruby
> itself ...
Yes, you have to catch the exception raised by the #find method :
begin
  Activitycategory.find(1)
rescue RecordNotFound
  # handle the error
  # wish a flash[] message or whatever...
end
    -- Jean-Fran?ois.
--
? la renverse.