VAST plugin throws an error in Wordpress

[Jackky90]

This what I get:

mediaelement-migrate.min.js?ver=4.9.12:1 error building ads TypeError: layers.querySelector is not a function
    at e.buildads (ads.js:54)
    at e.MediaElementPlayer.buildfeatures (mediaelement-migrate.min.js?ver=4.9.12:1)
    at e.value (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.MediaElementPlayer._meReady (mediaelement-migrate.min.js?ver=4.9.12:1)
    at Object.success (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at new e (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.value (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.MediaElementPlayer.init (mediaelement-migrate.min.js?ver=4.9.12:1)
    at new e (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at HTMLVideoElement.<anonymous> (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
MediaElementPlayer.buildfeatures @ mediaelement-migrate.min.js?ver=4.9.12:1
value @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
MediaElementPlayer._meReady @ mediaelement-migrate.min.js?ver=4.9.12:1
success @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
e @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
value @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
MediaElementPlayer.init @ mediaelement-migrate.min.js?ver=4.9.12:1
e @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
(anonymous) @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
each @ jquery.min.js:1
each @ jquery.min.js:1
e.fn.mediaelementplayer @ mediaelement-and-player.min.js?ver=4.2.6-78496d1:12
a @ wp-mediaelement.min.js?ver=4.9.12:1
e @ jquery.min.js:1
t @ jquery.min.js:1
setTimeout (async)
(anonymous) @ jquery.min.js:1
n @ jquery.min.js:1
fireWith @ jquery.min.js:1
fire @ jquery.min.js:1
n @ jquery.min.js:1
fireWith @ jquery.min.js:1
ready @ jquery.min.js:1
F @ jquery.min.js:1
mediaelement-migrate.min.js?ver=4.9.12:1 error building vast TypeError: t.container.addEventListener is not a function
    at e.vastSetupEvents (ads-vast-vpaid.js:53)
    at e.buildvast (ads-vast-vpaid.js:43)
    at e.MediaElementPlayer.buildfeatures (mediaelement-migrate.min.js?ver=4.9.12:1)
    at e.value (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.MediaElementPlayer._meReady (mediaelement-migrate.min.js?ver=4.9.12:1)
    at Object.success (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at new e (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.value (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)
    at e.MediaElementPlayer.init (mediaelement-migrate.min.js?ver=4.9.12:1)
    at new e (mediaelement-and-player.min.js?ver=4.2.6-78496d1:12)

[WesleyCarnicl]

How can I get this to work on my site