Moh@

Look at https://github.com/antonioribeiro/tracker/issues/536

1. Delete your project **vendor** file 2. Remove **"pragmarx/tracker":^xx** line from your composer.json 3. Delete also the **composer.lock** file 2. Run **composer i** 3. then run **composer require pragmarx/tracker** This...

> Solved. > > Issue attached >  > > Update your composer with following line > "doctrine/dbal": "^2.6", > >  > > composer require pragmarx/tracker -W Nice