How do I reinstall Rocket League on Playstation 4?

Reinstalling Rocket League may help fix errors. You will need to first uninstall, then redownload Rocket League. This will not delete game save data.

To uninstall Rocket League:

Select Settings.
Select System Storage Management.
Select Applications.
Highlight Rocket League.
Press the Options button on the controller.
Select Delete.

To re-download Rocket League:

Select your local user account
Select Library.
Select Rocket League.
Select Download.

If you are trying to solve Rocket League Load Failure or Save Failure errors on PlayStation and this did not help, try the next step: Contacting your hardware manufacturer