Thanks a lot. That did the trick. :-)
Graham

On Wed, 16 Sep 2020 at 12:28, parafin <[email protected]> wrote:

> Delete your ~/.config/darktable directory to workaround this problem.
>
> It looks like a bug in darktable database upgrade logic. Which version
> of darktable did you have installed previously?
>
>
> On Wed, 16 Sep 2020 12:12:58 +0100
> Graham Moores <[email protected]> wrote:
>
> > I recently upgraded to Mac OS Catalina.
> > The version of darktable I had wouldn't allow me to open or access
> files. I
> > tried making a change to the security preferences to allow dt access to
> all
> > files. This didn't help.
> >
> > Next, I installed the latest version of dt (3.2.1). Now, I can't get dt
> to
> > run at all. I get two dialogs, but they fail and then dt quits.
> >
> > The first dialog says: "We have an updated performance configuration
> > logic..." with 'Yes / No buttons. Whether I click Yes or No, I then get a
> > second dialog which says "the database schema has to be upgraded for
> > .../,config/darktable/library.db do you want to proceed or quit now to do
> > ao backup", with buttons 'close darktable' and 'upgrade database'. Again,
> > it doesn't matter which button I click, darktable closes.
> >
> > I tried double clicking on the executable file, and found the following
> > messages in the terminal window that opened:
> > (1) - before clicking the 'Yes' button at the first dialog:
> >
> > (process:1553): GLib-GObject-CRITICAL **: 18:06:59.009: g_object_set:
> > assertion 'G_IS_OBJECT (object)' failed
> >
> > (2) after clicking 'Yes':
> >
> > [defaults] found a 64-bit system with 8388608 kb ram and 4 cores (0 atom
> > based)
> > [defaults] setting high quality defaults
> >
> >
> > (3) after clicking 'upgrade database':
> >
> > [init] can't prepare insertion of used tags into data database
> > [init]   table data.tags has no column named icon
> > [init] database `library.db' couldn't be upgraded from version 12 to 30.
> > aborting
> > ERROR : cannot open database
> > logout
> > Saving session...
> > ...copying shared history...
> > ...saving history...truncating history files...
> > ...completed.
> >
> > [Process completed]
> >
> > Is there any way a 'simple' GUI user can install dt now and open it on
> Mac
> > OS 10.15?
> > If there is a way I can rebuild the database (I don't care about any
> > presets or old xmp files), perhaps that would help, but I do not have the
> > first clue how I would go about that.
> >
> > Any help would be appreciated.
> >
> > Graham
> >
> >
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