I will do unreal engine multiplayer fix, ue5, replication, rpc desync blueprint bug fix


About this gig
Unreal Engine multiplayer working in the editor but breaking online? I fix UE5 multiplayer replication, RPC and desync bugs in Blueprint, fast.
WHAT I FIX:
- Replication not working: variables not syncing, RepNotify not firing
- RPC bugs: Server, Client or Multicast events running on the wrong machine
- Desync: UE5 client and server show different health, ammo or inventory
- Blueprint bug fix: Accessed None errors, ownership and authority mistakes
- Unreal Engine multiplayer lobby, listen server and dedicated server RPC issues
HOW I WORK:
- Send a screen recording, Output Log and your UE5 version
- I trace the replication, RPC or desync root cause in your Blueprint with UE5 network tools
- I do the Blueprint bug fix and return clean Unreal Engine project files
- I explain the bug fix so the multiplayer replication or desync bug never returns
WHY ME
Most sellers build full games. I only debug Unreal Engine multiplayer, so I spot replication, RPC and desync causes fast. I reply within an hour and tell you honestly if it's a quick bug fix before you pay.
Message me your UE5 Blueprint bug fix before ordering.
Get to know Richard
3d artist
- FromNigeria
- Member sinceMar 2026
Languages
English, French, Spanish, German, Italian
My Portfolio
FAQ
Can you fix UE5 variables not replicating or RepNotify not firing?
Yes. I check variable replication settings, RepNotify conditions and server authority, then fix the Blueprint so values sync to every client.
Why is my RPC not working? Run on Server or Multicast never fires
Usually it's actor ownership or the wrong RPC type. I trace the call, fix the Server, Client or Multicast event, and explain the cause.
Can you fix actors not replicating to clients in Unreal Engine 5?
Yes. I check Replicates, relevancy, spawn authority and net settings so actors appear and update correctly for the host and every client.
My multiplayer game works for the host but not the client. Can you fix it?
Yes, this host versus client desync is my main focus. Send a screen recording, Output Log and UE version, and I'll find the root cause.
Do you fix Accessed None and cast failed errors in multiplayer Blueprints?
Yes. These come from timing, wrong references or ownership. I find where the reference breaks and fix the Blueprint logic cleanly.
Can you fix listen server, dedicated server or session join problems?
I fix replication and logic issues on listen and dedicated servers, plus session create, find and join bugs. Message me your setup first.
Do you fix Steam or EOS multiplayer sessions not connecting in UE5?
I can check your session Blueprints and Online Subsystem setup for Steam or EOS. Send your config and logs so I can confirm it's a fit.
Can you fix lag, jitter or wrong health, ammo and inventory on clients?
Yes. I fix client prediction mismatches, jittery movement and values that differ between server and client, such as health or inventory.
Do you work in Blueprint only, or C++ too?
My focus is Blueprint bug fixing. If your bug lives in C++ networking code, message me first and I'll tell you honestly if I can help.
What do I need to send, and will I learn what went wrong?
Send a screen recording, Output Log, UE5 version and the Blueprint involved. I return fixed files plus a short explanation of the cause.

