Nearly there !!
I now have the task completing successfuly, but it appears that the variables aren't updating.
To resolve the error msg,
I basically had to map the parameters to the DBTIMESTAMP data type, with the package variable data types set to DateTime.
also, you may find this link useful if you have a similiar issue:
http://msdn.microsoft.com/en-us/library/ms345165.aspx
_____________________________________________________________________________MCITP: Business Intelligence Developer (2005)