I received following suggestion from you:
QUOTE
Paul Timms
2019-12-06
Hi Toger

This message means that you had the journalling feature switched on at some point in your old version. The new version is complaining that the old journal file is there. I don't know whether you have MacOS or Windows, so I don't know how you would search, but the file you are looking for will have the extension .HJN, and will start with a J followed by a number. For example, J0000001.HJN. If you find the journal file, remove or rename it, and then try to launch Standard Accounts again.

Regards

Paul
UNQUOTE

However, I use MAC OS X 10.11.6

And I have tried to find a file as you described, but cannot -- would you have any suggestions as to where to look for it, or could it have another 'name'

Thank you
Kind regards
Toger