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Fixing Multiplayer "Access None" Blueprint Errors in Unreal Engine 5

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May 16, 2026
1:40

Are you getting an "Accessed None" error when closing your multiplayer game? In this quick debugging tutorial, we'll fix the common "trying to read property call function" error related to the Enhanced Input Local Player Subsystem. When testing client and server instances, the player subsystem can sometimes become invalid during shutdown, causing Blueprint errors. The fix is incredibly simple: we just need to add a quick validation check! What you'll learn in this video: Identifying the "Access None" error on game close. Why the Enhanced Input Local Player Subsystem drops its reference. How to use the IsValid node to cleanly resolve the issue and prevent crashes. Timestamps: 0:00 - The Problem: Access None Error on Game Close 0:28 - Debugging the Get Player Local Subsystem 0:42 - The Solution: Adding an IsValid Check 1:00 - Testing the Multiplayer Fix (No Errors!) If this quick fix helped you out, drop a like and subscribe for more real-time rendering, multiplayer setup, and technical art tutorials! #UnrealEngine5 #UE5 #GameDev #Blueprint #Debugging #EnhancedInput

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Fixing Multiplayer "Access None" Blueprint Errors in Unreal Engine 5 | NatokHD