The standard database definition files are databases created in project folders until 11.3 version.
Since 11.4, these files was moved to PDMSEXE folder.
They are: catvir.dat, cmpvir.dat, comvir.dat, isovir.dat, desvir.dat, dicvir.dat, misvir.dat, padvir.dat, provir.dat and sysvir.dat.
So, you could delete these files from your project folder, if it's older than 11.4.
If your project is 11.4 version you don't have to worry.
Just set variables for your project and open in 11.6.
The standard database definition files are databases created in project folders until 11.3 version.
Since 11.4, these files was moved to PDMSEXE folder.
They are: catvir.dat, cmpvir.dat, comvir.dat, isovir.dat, desvir.dat, dicvir.dat, misvir.dat, padvir.dat, provir.dat and sysvir.dat.
So, you could delete these files from your project folder, if it's older than 11.4.
If your project is 11.4 version you don't have to worry.
Just set variables for your project and open in 11.6.
