Error: Unspecified error.
at setupDone_ (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/viewport/viewport-binding-ios-embed-sd.js:213)
at size_ (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/layers-impl.js:481)
at (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/extensions/amp-ad/0.1/amp-ad-3p-impl.js:306)
at measureIframeLayoutBox_ (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/extensions/amp-ad/0.1/amp-ad-3p-impl.js:274)
at (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/resource.js:862)
at type (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/action-impl.js:1201)
at removeResource_ (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/resources-impl.js:660)
at marginChange (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/resources-impl.js:1294)
at (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/history-impl.js:503)
at rebuildDomWhenReady (https://raw.githubusercontent.com/ampproject/amphtml/1901081935550/src/service/resources-impl.js:276)

go/ampe/CNPXxaLgnI3ILg