video not played, javascript error on log console

[bdangvnt]

At lastest version, on ios, can't play youtube videos with below log:

Error Domain=WKErrorDomain Code=4 "A JavaScript exception occurred" UserInfo={WKJavaScriptExceptionLineNumber=58, WKJavaScriptExceptionMessage=TypeError: undefined is not an object (evaluating 'player.playVideo'), WKJavaScriptExceptionColumnNumber=11, WKJavaScriptExceptionSourceURL=https://sarbagyadhaubanjar.github.io/youtube_player/ios/player.js, NSLocalizedDescription=A JavaScript exception occurred})

please help me play youtube videos!