You are receiving the following:
Invalid SPSS Statistics data file: [path of the users dataset (.sav)] (DATA1204)
Error # 1405
Error. Command name: GET FILE
>Invalid SPSS Statistics data file:
[path of the users dataset (.sav)] (DATA1204)
>Execution of this command stops.
May be followed by error:
>Error # 1405 in column 8. Text:
[path of the users dataset (.sav)]
>Error when attempting to get a data file.
This can be caused by a either a failed installation or where other files can be opened then it is most likely a corrupt file. ( see also DCF 1624281 - http://www.ibm.com/support/docview.wss?uid=swg21624281 )
Resolving the problem
Review technical document 1624281 to see if this helps, but if you are not even able to view the contents of the file and other files can be opened then we can only suggest you use an earlier version of the file if you have back it up.