Contact Roblox Support If you are still unable to join the private server on Roblox, we recommend contacting Roblox Support.

Fix #1: Use a non-child account. The most common reason why many people are unable to join a game and encounter the Roblox error code 103 is an issue with their account.

Fix #1: Check the Roblox server status. In order to fix Roblox error code 524, the first thing that you need is to ensure that there’s no on-going server issues with the game.