As per subject, I got this error message using Metaio SDK in Unity5. BTW, I'm using Mac, not Windows machine.
Plugin 'MFC100U.DLL' is used from several locations:
Assets/Plugins/x86_64/MFC100U.DLL would be copied to <PluginPath>/MFC100U.DLL
Assets/Plugins/x86/MFC100U.DLL would be copied to <PluginPath>/MFC100U.DLL
Plugin 'MSVCP100.DLL' is used from several locations:
Assets/Plugins/x86/MSVCP100.DLL would be copied to <PluginPath>/MSVCP100.DLL
Assets/Plugins/x86_64/MSVCP100.DLL would be copied to <PluginPath>/MSVCP100.DLL
Plugin 'pthreadVC2.dll' is used from several locations:
Assets/Plugins/x86/pthreadVC2.dll would be copied to <PluginPath>/pthreadVC2.dll
Assets/Plugins/x86_64/pthreadVC2.dll would be copied to <PluginPath>/pthreadVC2.dll
Plugin 'Shore140.dll' is used from several locations:
Assets/Plugins/x86_64/Shore140.dll would be copied to <PluginPath>/Shore140.dll
Assets/Plugins/x86/Shore140.dll would be copied to <PluginPath>/Shore140.dll
Plugin 'MSVCR100.DLL' is used from several locations:
Assets/Plugins/x86/MSVCR100.DLL would be copied to <PluginPath>/MSVCR100.DLL
Assets/Plugins/x86_64/MSVCR100.DLL would be copied to <PluginPath>/MSVCR100.DLL
Plugin 'metaiosdk.dll' is used from several locations:
Assets/Plugins/x86/metaiosdk.dll would be copied to <PluginPath>/metaiosdk.dll
Assets/Plugins/x86_64/metaiosdk.dll would be copied to <PluginPath>/metaiosdk.dll
Please fix plugin settings and try again.
UnityEditor.Modules.DefaultPluginImporterExtension:CheckFileCollisions(String)
UnityEditorInternal.PluginsHelper:CheckFileCollisions(BuildTarget) (at /Users/builduser/buildslave/unity/build/Editor/Mono/Plugins/PluginsHelper.cs:25)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()
How I can fix this error? Please advice. Thank you.