warningMod ErrorsAffects: All modded versions
How to Fix Client-Server Mod Mismatch
Fix Client-Server Mod Mismatch by matching your client mods to the exact versions used on the server.
Quick Fix
Match your client mods to the exact versions the server uses. Ask the server admin for the mod list.
Error Message
Mod rejections: X - client has Y, server has ZHow to Fix
1
Get the exact mod list and versions from the server admin
2
Match every mod to the same version as the server
3
Remove client-side-only mods that the server rejects
4
Use the server's provided modpack if available
Common Causes
- Client and server running different mod versions
- Client missing mods that the server requires
- Server missing mods that the client has (if required on both sides)
Diagnostic Steps
- Read the error for which mods have version mismatches
- Update or downgrade those mods to match the server
- Remove extra mods the server does not have
- Reconnect
FAQ
Do all mods need to match between client and server?
Only mods that add blocks, items, or require network sync. Client-side-only mods (minimaps, shaders) can differ.