Good news Hector, it worked.
I've sent you the file anyway.

Thanks for all your work.

That's good news indeed

I haven't received your file yet, and anyway I won't find anything in it, it's not corrupted. The problem comes from indexing.dat which should have worked after you changed the .cool file.

I'll have to investigate and find where the mechanism fails

I made some testing, but could not reproduce the bug. When I replace the .cool file with another one, the program doesn't crash, which is good news.

We'll probably never know what really happened to you...

If somebody else encountered this kind of problem (or any kind of problem), please report to me.