ITMS-90296: App sandbox not enabled - The following executables must include the 'com.apple.security.app-sandbox' entitlement with a Boolean value of true in the entitlements property list: [[com.akkeylab.c-search.pkg/Payload/c-search.app/Contents/PlugIns/c-search-widget.appex/Contents/MacOS/c-search-widget]] Refer to App Sandbox page at https://developer.apple.com/documentation/security/app_sandbox for more information on sandboxing your app.