Darktable is not opening: “Error locking database”

By Francisco Tiago Melo

After I installed the Inkscape (I believe that it was just after the installation of this software), my Darktable application is not working.
The software just does not start and sometimes it shows the error:

darktable error locking database /home/tiago/.config/darktable/data.db
the database lock file contains a pid that seems to be alive in your system

I tried to delete the library but it always shows that the directory does not exist and/or nothing happens.
I’m kind of new using Ubuntu command line and I don’t know if I really deleted the file, but it still not working.

How can I fix this problem?

Source:: http://askubuntu.com/questions/870657/darktable-is-not-opening-error-locking-database


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