Understanding the source of the error is the first step toward a resolution. Key triggers include:
On Device: Open the Remote Play app, select , and choose Link Manually at the bottom of the screen. Enter the code immediately. Phase 4: Account and Privacy Restrictions
If the error persists after all steps, the specific third-party tool is likely abandoned and incompatible with current PS4 firmware.
Plug the router back in, wait for it to fully boot, then turn on the PS4. 2. Update System Software