unity plugin_error ai_generated true

DllNotFoundException: Unable to load DLL 'my_native_plugin': The specified module could not be found

ID: unity/dll-not-found-exception

Also available as: JSON · Markdown
82%Fix Rate
88%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
2022 active — — —

Root Cause

Native plugin DLL/SO not found. Wrong platform, wrong architecture, or missing dependencies.

generic

Workarounds

  1. 92% success Place native plugins in the correct platform folder 
    Assets/Plugins/x86_64/ for Windows 64-bit; Assets/Plugins/Android/ for Android; set platform in Inspector

    Sources: https://docs.unity3d.com/Manual/

  2. 88% success Check plugin Inspector settings for correct platform and CPU 
    Select .dll in Unity > Inspector > check 'Any Platform' or specific platforms, set CPU architecture
  3. 82% success Verify all native dependencies are also included 
    Use dumpbin /dependents (Win) or ldd (Linux) to check DLL dependencies

Dead Ends

Common approaches that don't work:

  1. Put the DLL in the root Assets folder 78% fail

    Unity expects native plugins in Assets/Plugins/{platform}/ with correct import settings

  2. Rename the DLL to match a different expected name 82% fail

    The DLL name must match the DllImport attribute. Renaming creates a mismatch.