Thank you for the response.
I am not on a local network so no one else could use the file.
I already tried to reboot my computer and restart everything. When I open a copy of the file I get the same error.
I am having a problem in SPSS 24, when I try to open my datafile I get the following error
The document is already in use by another user or process. If you make
changes to the document they may overwrite changes made by others or your
changes may be overwritten by others