The list of known issues reported by Rockstar, as it stood earlier this morning, looks like this:
- Occasional "Rockstar Cloud Servers Unavailable" error message
- Freezing sometimes while loading into first race in GTAO with "waiting for other players" on the screen
- Intermittent "Failed to Host a GTA Online Session" error messages
- Race Corona (start area, marker) occasionally not showing up for first race
- Errors saying "Timed out when matchmaking for a compatible GTA Online Session to join"
- Occasional errors about jobs failing to start or load
- General issues with the Social Club site and Social Club features (slow loading, failed logins, emails not arriving, etc). For more information on Social Club status, please see: http://support.rockstargames.com/hc/en-us/articles/200357093
- Misc. network and server-related error messages, disconnections, or cloud server errors
- Errors saying "Mission Failed" as soon as the mission begins during a session
with known issues as often as possible.