Final answer:
Invalid Discord invites can be caused by links that have expired, invitations that have been revoked, a user being banned from a server, reaching the server limit, technical issues, or incorrectly copied links. Usually, checking the link's validity, server membership limits, or reaching out to the server owner for a new invite can resolve the issue.
Step-by-step explanation:
If you're encountering a situation where all Discord invites are invalid, it's likely due to several potential reasons. One common reason could be that the invite links have expired. Discord invites can be set to expire after a certain time or after a set number of uses. If you attempt to join a server with an expired link, you'll receive a message that the invite is invalid.
Another possibility is that the server owner or those with the necessary permissions have revoked the invites, rendering them inactive. Additionally, if a user has been banned from a server, all previously working invites will appear as invalid to that user to prevent re-entry. It's also important to check whether your account has reached the limit of 100 servers, as this will prevent joining additional servers regardless of the invite validity.
Technical issues, such as network problems or server outages, can also affect the validity of Discord invite links. In some cases, it might simply be a temporary glitch, and trying again later, or using a different device may resolve the issue.
Lastly, it's crucial to ensure that the link was copied correctly, without any missing or extra characters. If all else fails, reaching out to the server owner or a member who can issue a new invite can help solve the problem.