I doubt that the DumaOS would cause such an error. As I've received that error numerous times before while only using my other router. Sometimes hiccups will happen, as corrupted saved files can happen. Sometimes I would just backup my saved files to a USB or to the Playstation Cloud from the local drive. Then I would delete the saved files from my local ps4 drive and redownload them from the PS cloud or USB. Usually helps, as it's a bandaid fix to try.