I am getting the following error when building for iOs which seems to be caused by Unity Ads
duplicate symbol _OBJC_CLASS_$_UnityAdsUnityWrapperDelegate in:
/Users/company/Library/Developer/Xcode/DerivedData/Unity-iPhone-dkvimmfycyxdkfdavlossvwtiguq/Build/Intermediates.noindex/Unity-iPhone.build/ReleaseForRunning-iphoneos/Unity-iPhone.build/Objects-normal/arm64/UnityAdsUnityWrapper-75a0e1861a76234d68641c8057227d60f0004ed65ee5ff27c27446ef2b86d435.o
/Users/company/Library/Developer/Xcode/DerivedData/Unity-iPhone-dkvimmfycyxdkfdavlossvwtiguq/Build/Intermediates.noindex/Unity-iPhone.build/ReleaseForRunning-iphoneos/Unity-iPhone.build/Objects-normal/arm64/UnityAdsUnityWrapper-75a0e1861a76234d68641c8057227d60213138373d2a4b81e5d2c4e286bbb741.o
duplicate symbol _OBJC_METACLASS_$_UnityAdsUnityWrapperDelegate in:
/Users/company/Library/Developer/Xcode/DerivedData/Unity-iPhone-dkvimmfycyxdkfdavlossvwtiguq/Build/Intermediates.noindex/Unity-iPhone.build/ReleaseForRunning-iphoneos/Unity-iPhone.build/Objects-normal/arm64/UnityAdsUnityWrapper-75a0e1861a76234d68641c8057227d60f0004ed65ee5ff27c27446ef2b86d435.o
/Users/company/Library/Developer/Xcode/DerivedData/Unity-iPhone-dkvimmfycyxdkfdavlossvwtiguq/Build/Intermediates.noindex/Unity-iPhone.build/ReleaseForRunning-iphoneos/Unity-iPhone.build/Objects-normal/arm64/UnityAdsUnityWrapper-75a0e1861a76234d68641c8057227d60213138373d2a4b81e5d2c4e286bbb741.o
ld: 2 duplicate symbols for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Using Unity 2018.3.5f1, Monetization 3.0.1 and Unity IAP asset.