Here is how to fix the su-30746-0 error on the PS4.

The su-30746-0 error code is a PlayStation 4 error code that indicates that the system has been unable to connect to the PlayStation Network. This can happen for a variety of reasons, including server maintenance or downtime, network congestion, or a problem with your home network.

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• Restart your PS4
• Update your PS4
• Check for updates for your PS4 games
• Reinstall your PS4 games
• Delete your PS4 games
• Connect your PS4 to the internet
• Reset your PS4

1. Restart your PS4

First, go to the PS4's main menu. Second, scroll down to "Settings". Third, scroll down to "System Software Update" and select it. Fourth, select "Update via Internet" and wait for the update to download and install. Finally, restart your PS4.

2. Update your PS4

There are a few different ways to update your PS4. The most common way is to update through the Settings menu.

1. Go to Settings.
2. Select System Software Update.
3. PS4 will now search for updates. If there is an update available, it will download and install automatically.
4. Once the update is installed, restart your PS4.

3. Check for updates for your PS4 games

1. Go to the PlayStation Store on your PS4 and select ‘Search’ from the top menu.
2. Type in the name of the game you want to update and select it from the list of results.
3. On the game’s detail page, select ‘Check for Update’.
4. If an update is available, it will be downloaded and installed automatically.

4. Reinstall your PS4 games

1. Go to the PlayStation Store and select "Account Information."
2. Select "Download History" and find the game you want to reinstall.
3. Select "Reinstall" and follow the prompts.
4. Once the game has finished installing, launch it and see if the issue has been resolved.

5. Delete your PS4 games

1. Go to the Settings menu on your PS4 console and select "Storage".
2. Select the "Applications" tab and scroll through the list of games until you find the one you want to delete.
3. Highlight the game and press the "Options" button on your controller.
4. Select "Delete" from the list of options and confirm your choice.
5. The game will now be deleted from your PS4 and you can restart the console to see if the su-30746-0 error has been fixed.

6. Connect your PS4 to the internet

1. Connect your PS4 to the internet using an Ethernet cable.
2. Go to Settings > Network > Set up Internet Connection.
3. Select Use a LAN Cable and then select your connection type.
4. Follow the on-screen instructions to complete the setup.

7. Reset your PS4

There are two ways to reset your PS4: a quick reset and a full reset. To perform a quick reset, simply hold down the power button on your PS4 for about 7 seconds. This will power off your PS4 and restart it. To perform a full reset, hold down the power button on your PS4 for about 30 seconds. This will power off your PS4 and restart it.