Duplicate native method found : unityPurchasingInterceptPromotionalPurchases. Please check your source carefully.

Bulid ios with mono and if build ios with il2cpp https://answers.unity.com/questions/1549668/unitylinkerexe-did-not-run-properly.html

SystemException: Duplicate native method found : unityPurchasingInterceptPromotionalPurchases. Please check your source carefully. UnityEditor.MonoAOTRegistration.ExtractNativeMethodsFromTypes (ICollection`1 types, System.Collections.ArrayList res) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/MonoInternalCallGenerator.cs:29) UnityEditor.MonoAOTRegistration.BuildNativeMethodList (Mono.Cecil.AssemblyDefinition[] assemblies) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/MonoInternalCallGenerator.cs:51) UnityEditor.MonoAOTRegistration.WriteCPlusPlusFileForStaticAOTModuleRegistration (BuildTarget buildTarget, System.String file, CrossCompileOptions crossCompileOptions, Boolean advancedLic, System.String targetDevice, Boolean stripping, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.AssemblyReferenceChecker checker, System.String stagingAreaDataManaged, IIl2CppPlatformProvider platformProvider) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/MonoInternalCallGenerator.cs:110) UnityEditor.iOS.PostProcessiPhonePlayer.CrossCompileManagedDlls (BuildSettings bs, UnityEditor.iOS.ProjectPaths paths, UnityEditor.AssemblyReferenceChecker checker, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport buildReport) (at C:/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:811) UnityEditor.iOS.PostProcessiPhonePlayer.PostProcess (BuildSettings bs, UnityEditor.iOS.ProjectPaths paths, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport buildReport) (at C:/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:660) UnityEditor.iOS.PostProcessiPhonePlayer.PostProcess (PostProcessorSettings postProcessorSettings, BuildPostProcessArgs args) (at C:/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:611) UnityEditor.iOS.iOSBuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at C:/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/ExtensionModule.cs:37) UnityEditor.Modules.DefaultBuildPostprocessor.PostProcess (BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at C:/buildslave/unity/build/Editor/Mono/Modules/DefaultBuildPostprocessor.cs:27) UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTargetGroup targetGroup, BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:287) UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)