This happens to me when I try to edit databases from a different computer. Generally its a license thing. So, here I guess the question would be do you have the license enter in your system for v16 R2? R series require a Partners license.
> On 2 May 2017, at 1:09 PM, David Hudson via 4D_Tech <[email protected]> > wrote: > > Just downloaded v16 R2, trying to upgrade a structure currently in v.15.5 > (Mac, Sierra 10.12.4) > > From the v16 R2 app, I select the older structure, get the message ‘Are you > sure you want to open the structure file in read only mode?’ - I don’t of > course so I can’t continue. Error is then -10509. > > In the Info pane for this file the icon shows as locked. I am the only user > of this machine, logged in with the only account that has ever been on it > which is an administrator account. > > The info panel shows the selected app to open the file is v.15.5. If I try to > change that to the 16 R2 (from the info panel ‘Open with’) drop-down where 16 > R2 is at the top and labelled as the default) I get a message to the effect > that I do not have permissions to change the application for this document > only; do I want to change all similar documents with extension .4DB? > > Not likely. > > I don’t know if this is 4D, MacOS or both giving me all this pain. How has it > all got so difficult to do the simple things? > > Any suggestions to solve this please? > > Regards > > David Hudson > > East Yorkshire > ********************************************************************** > 4D Internet Users Group (4D iNUG) > FAQ: http://lists.4d.com/faqnug.html > Archive: http://lists.4d.com/archives.html > Options: http://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************

