Problem adding/chaing interactive video

Hi,

I am experiencing a problem when adding or changing a interactive video in my H5P Wordpress plugin. A new interactive video and existing interactive video can be created and opened, but I'm getting something which looks like an error. Error: [field:group:wizard:interactiveVideo]. I've added an attachment picture as well. 

Hopefully someone can help me. 

Kind regards,

Joep

I will also add some error messages from the console:

jquery.js?ver=1.15.0:2 Allow attribute will take precedence over 'allowfullscreen'.

attr @ jquery.js?ver=1.15.0:2

interactive-video-editor.js?ver=1.21.8:106 Uncaught TypeError: Cannot read property 'FormManager' of undefined

    at interactive-video-editor.js?ver=1.21.8:106

    at interactive-video-editor.js?ver=1.21.8:1755

guided-tours.js?ver=1.21.8:4 Uncaught TypeError: Cannot read property 't' of undefined

    at guided-tours.js?ver=1.21.8:4

    at guided-tours.js?ver=1.21.8:185

require-completion.js?ver=1.21.8:4 Uncaught TypeError: Cannot set property 'RequireCompletion' of undefined

    at require-completion.js?ver=1.21.8:4

drop.min.js?ver=1.0.2:4 Uncaught TypeError: Cannot read property 'Utils' of undefined

    at drop.min.js?ver=1.0.2:4

    at drop.min.js?ver=1.0.2:4

    at drop.min.js?ver=1.0.2:4

blanks.js?ver=1.12.3:119 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at blanks.js?ver=1.12.3:119

    at blanks.js?ver=1.12.3:903

cloze.js?ver=1.12.3:17 Uncaught TypeError: Cannot set property 'Cloze' of undefined

    at cloze.js?ver=1.12.3:17

    at cloze.js?ver=1.12.3:238

multichoice.js?ver=1.14.3:1111 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at multichoice.js?ver=1.14.3:1111

h5p-editor-range-list.js?ver=1.0.8:474 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at h5p-editor-range-list.js?ver=1.0.8:474

    at h5p-editor-range-list.js?ver=1.0.8:478

h5p-dictation.js?ver=1.0.1:1 Uncaught TypeError: Super expression must either be null or a function

    at h5p-dictation.js?ver=1.0.1:1

    at h5p-dictation.js?ver=1.0.1:1

    at Module.<anonymous> (h5p-dictation.js?ver=1.0.1:1)

    at i (h5p-dictation.js?ver=1.0.1:1)

    at h5p-dictation.js?ver=1.0.1:1

    at h5p-dictation.js?ver=1.0.1:1

image-hotspot-question.js?ver=1.8.6:103 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at image-hotspot-question.js?ver=1.8.6:103

    at image-hotspot-question.js?ver=1.8.6:431

timer.js?ver=1.3.4:52 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at timer.js?ver=1.3.4:52

    at timer.js?ver=1.3.4:55

essay.js?ver=1.0.2:73 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at essay.js?ver=1.0.2:73

    at essay.js?ver=1.0.2:563

inputfield.js?ver=1.0.2:16 Uncaught TypeError: Cannot set property 'InputField' of undefined

    at inputfield.js?ver=1.0.2:16

    at inputfield.js?ver=1.0.2:188

image-multiple-hotspot-question.js?ver=1.0.0:102 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at image-multiple-hotspot-question.js?ver=1.0.0:102

    at image-multiple-hotspot-question.js?ver=1.0.0:502

h5p-image-juxtaposition.js?ver=1.4.0:1 Uncaught TypeError: Super expression must either be null or a function

    at h5p-image-juxtaposition.js?ver=1.4.0:1

    at h5p-image-juxtaposition.js?ver=1.4.0:1

    at Module.<anonymous> (h5p-image-juxtaposition.js?ver=1.4.0:1)

    at n (h5p-image-juxtaposition.js?ver=1.4.0:1)

    at h5p-image-juxtaposition.js?ver=1.4.0:1

    at h5p-image-juxtaposition.js?ver=1.4.0:1

dist.js?ver=1.3.7:25 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at dist.js?ver=1.3.7:25

    at Object.<anonymous> (dist.js?ver=1.3.7:25)

    at t (dist.js?ver=1.3.7:1)

    at dist.js?ver=1.3.7:1

    at dist.js?ver=1.3.7:1

dist.js?ver=1.1.7:20 Uncaught TypeError: Cannot read property 'prototype' of undefined

    at dist.js?ver=1.1.7:20

    at Object.<anonymous> (dist.js?ver=1.1.7:20)

    at t (dist.js?ver=1.1.7:1)

    at dist.js?ver=1.1.7:1

    at dist.js?ver=1.1.7:1