How do I fix Save Failure errors in Rocket League?

If you hit a Save Failure error message, this means that Rocket League is not properly saving data.

There may be different causes for this issue depending on the platform, so it is not the easiest to point out the exact cause. Even a PC's antivirus software can cause this error message.

For PlayStation, Xbox, and Switch, these console have a set limit for in-game Replays and Training Sequences. These are the match replays you save and the training packs you create. You might see a Save Failure error message if you’ve reached the internal limit and try to save more. Deleting Replays and Training Sequences to free up space may resolve this error.

First, let's sync our device clocks to rule out any Sync Failure error messages: How do I sync my clock to fix Save or Load Failures in Rocket League?