Buttons not clickable anymore

A lot of buttons in the admin panel aren’t clickable anymore.. I’ve tried to disable some plugins but it won’t fix the problem.

I have enabled debug mode, and the problem is still active.

In console i got the following in a page that i want to edit (for example: The edit button for the URL is not working)

post.php?post=43&action=edit:1 Uncaught SyntaxError: Unexpected end of JSON input
    at JSON.parse (<anonymous>)
    at Function.n.parseJSON (jquery.js?ver=1.12.4-wp:4)
    at Object.t.setInitElementsJson (admin.js?ver=2.3.6:51)
    at HTMLDocument.<anonymous> (post.php?post=43&action=edit:1825)
    at i (jquery.js?ver=1.12.4-wp:2)
    at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4-wp:2)
    at Function.ready (jquery.js?ver=1.12.4-wp:2)
    at HTMLDocument.J (jquery.js?ver=1.12.4-wp:2)
post.php?post=43&action=edit:1 [DOM] Found 26 elements with non-unique id #_ajax_nonce: (More info: https://goo.gl/9p2vKq) <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">? <input type=?"hidden" id=?"_ajax_nonce" name=?"_ajax_nonce" value=?"ef03140d3b">?
post.php?post=43&action=edit:1 [DOM] Found 2 elements with non-unique id #eg-vimeo-ratio: (More info: https://goo.gl/9p2vKq) <select id=?"eg-vimeo-ratio" name=?"eg_vimeo_ratio">?…?</select>? <select id=?"eg-vimeo-ratio" name=?"eg_wistia_ratio">?…?</select>?
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
(anonymous) @ heartbeat.js?ver=5.5:508
setTimeout (async)
scheduleNextTick @ heartbeat.js?ver=5.5:506
(anonymous) @ heartbeat.js?ver=5.5:421
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
wp-auth-check.js?ver=5.5:151 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.js?ver=5.5:151)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (heartbeat.js?ver=5.5:456)
    at i (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wp-auth-check.js?ver=5.5:151
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
trigger @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ heartbeat.js?ver=5.5:456
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
x @ jquery.js?ver=1.12.4-wp:4
c @ jquery.js?ver=1.12.4-wp:4
XMLHttpRequest.send (async)
send @ jquery.js?ver=1.12.4-wp:4
ajax @ jquery.js?ver=1.12.4-wp:4
connect @ heartbeat.js?ver=5.5:413
scheduleNextTick @ heartbeat.js?ver=5.5:513
focused @ heartbeat.js?ver=5.5:545
(anonymous) @ heartbeat.js?ver=5.5:210
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3