Deleting the local save data on your PS4 may help with getting the text to render correctly.
To delete save data on the PlayStation 4:
- From the PlayStation Dynamic Menu, navigate to Settings.
- Go to Application Saved Data.
- In Application Saved Data, select The Elder Scrolls Online box
- Press the [Options] button of the controller on the ESO Save Data.
- Select Delete.
After you have cleared your game save data, restart your console and try logging back into the game.