I have an app, which is depended on custom SDK. Custom SDK has dependencies, included all dependencies in Podspec and custom framework/static lib ios.vendored_frameworks. here I sample of my pod spec Pod::Spec.new do |s| s.name = "SDK" s.version = "1.0.1" s.summary = "SDK" s.source = { :git => "https://github.com/ABC/SDK.git", :tag => "v"+s.version.to_s } s.platform = :ios s.ios.deployment_target = '16.0' s.swift_version = '4.2' s.static_framework = true s.frameworks = 'Security' s.frameworks = 'CoreLocation' s.requires_arc = true s.module_name = 'SDK' s.library = 'z' s.default_subspec = 'Shared' s.subspec 'Shared' do |shared| shared.ios.vendored_frameworks = 'SDKLib.xcframework' shared.dependency 'CocoaAsyncSocket', '~> 7.4' shared.dependency 'CocoaHTTPServer' shared.dependency 'SocketRocket', '~> 0.6' shared.dependency 'QNNetDiag' shared.dependency 'SAMKeychain' shared.dependency 'AFNetworking/Reachability', '~> 4.0' shared.dependency 'AFNetworking/Serialization', '~> 4.0' shared.dependency 'AFNetworking/Security', '~> 4.0' shared.dependency 'AFNetworking/NSURLSession', '~> 4.0' shared.dependency 'CocoaMQTT' shared.dependency 'Starscream', '~> 4.0.8' shared.dependency 'TrustKit' shared.dependency 'Firebase/Analytics' end end below error I am getting while linking lib