Instructions from Tru Blu -
"Try deleting your patch and redownloading it. if this still doesn't work back up your saved files firstly on a USB before deleting your saved files and deleting the patch to reinstall again."
OR if that doesn't work, you will have to delete your save game
"Go to your Playstation dashboard and select 'Game', go to 'Game Data Utility', select the game and press the triangle button to delete the RLL 2 patch.
To delete saved date, once again in your dashboard under 'Game' select 'Saved Data Utility' and press the triangle button to delete all RLL 2 saved files."