I expected to see:
The media manager / upload dialog box
Instead, I got:
No response
Extra info: I see the following errors in browser console
jquery.min.js?ver=3.5.1:2 jQuery.Deferred exception: Cannot read property 'initHooks' of undefined TypeError: Cannot read property 'initHooks' of undefined
at Toolset.CRED.MediaField.Toolset.Common.MediaField.init (https://toolset.com/wp-content/plugins/cred-frontend-editor/vendor/toolset/toolset-common/res/js/toolset-media-field.prototype.js?ver=4.1.3:427:9)
at new Toolset.CRED.MediaField (https://toolset.com/wp-content/plugins/cred-frontend-editor/public/js/media_manager.js?ver=2.6.9:313:7)
at HTMLDocument.<anonymous> (https://toolset.com/wp-content/plugins/cred-frontend-editor/public/js/media_manager.js?ver=2.6.9:319:2)
at e (https://toolset.com/wp-includes/js/jquery/jquery.min.js?ver=3.5.1:2:30005)
at t (https://toolset.com/wp-includes/js/jquery/jquery.min.js?ver=3.5.1:2:30307)
at nrWrapper (https://toolset.com/?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6:22766) undefined
S.Deferred.exceptionHook @ jquery.min.js?ver=3.5.1:2
t @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
setTimeout (async)
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
(anonymous) @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
fire @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
ready @ jquery.min.js?ver=3.5.1:2
B @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6 Uncaught TypeError: Cannot read property 'initHooks' of undefined
at Toolset.CRED.MediaField.Toolset.Common.MediaField.init (toolset-media-field.prototype.js?ver=4.1.3:427)
at new Toolset.CRED.MediaField (media_manager.js?ver=2.6.9:313)
at HTMLDocument.<anonymous> (media_manager.js?ver=2.6.9:319)
at e (jquery.min.js?ver=3.5.1:2)
at t (jquery.min.js?ver=3.5.1:2)
at nrWrapper (?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6)
Toolset.Common.MediaField.init @ toolset-media-field.prototype.js?ver=4.1.3:427
Toolset.CRED.MediaField @ media_manager.js?ver=2.6.9:313
(anonymous) @ media_manager.js?ver=2.6.9:319
e @ jquery.min.js?ver=3.5.1:2
t @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
setTimeout (async)
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
S.readyException @ jquery.min.js?ver=3.5.1:2
(anonymous) @ jquery.min.js?ver=3.5.1:2
e @ jquery.min.js?ver=3.5.1:2
t @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
setTimeout (async)
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
(anonymous) @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
fire @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
t @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
setTimeout (async)
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6
(anonymous) @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
fire @ jquery.min.js?ver=3.5.1:2
c @ jquery.min.js?ver=3.5.1:2
fireWith @ jquery.min.js?ver=3.5.1:2
ready @ jquery.min.js?ver=3.5.1:2
B @ jquery.min.js?ver=3.5.1:2
nrWrapper @ ?post_type=showcase&p=1270527&preview=true&content-template-id=1513289:6