error opening a pspp file

[Meimuna Kahf]

hello everyone,

yesterday i worked for the first time with pspp and i inserted all my data for 
a seminar into pspp. A just saved it all the time and at the end. It took about 
the whole day and today i wanted to open the file and i became the error in the 
attachment. I also put the file in the attachment
How can i solve this problem?
I would be so grateful it someone can help me because i dont have the time to 
do it all again..

Greetings

Meimuna

Forschungsseminar.sav
Description: application/spss-sav