AngularUniversal : Facebook Video Error

[wilson0506]

ERROR TypeError: Cannot read property 'toString' of undefined
at FBVideoComponent.set [as href] (main-client.js:1595)
at updateProp (main-client.js:496)
at checkAndUpdateDirectiveInline (main-client.js:496)
at checkAndUpdateNodeInline (main-client.js:531)
at checkAndUpdateNode (main-client.js:531)
at prodCheckAndUpdateNode (main-client.js:538)
at Object.updateDirectives (main-client.js:2029)
at Object.updateDirectives (main-client.js:538)
at checkAndUpdateView (main-client.js:531)
at callViewAction (main-client.js:531)