Moodle - CoursePresentation content do not displayed if it not on first page

Submitted by Andrii Semenets on Wed, 05/13/2020 - 16:30

Forums:

1. H5p CoursePresentation in Moodle:

1.1. Create CoursePresentation h5p activity, add slides. Note: all slides have lagre background images. Save and back to course.

1.2. Enter that activity. All is OK.

1.3. Move to any slide, other than first:

1.4. Return to course page

1.5. Enter that activity again. Empty page shown:

The following JS error appears:

1.6. It happens with all presentation on site I am managing.

To resolve - I must go into h5p editing mode, save (even without any changes) and visit that activity again. I see than:

If I move outside first slide and leave presentation - same errors repeated every time.

If I scroll presentation, back to first slide, leave presentation and enter again - 1st slide will be shown

2. Moodle 3.8.2+ (Build: 20200320)

3. Desktop

4. Chrome / Opera

5. H5P CoursePresentation 1.21.1

5.1 I have additional issue with updationg of libraries, presented in thread https://h5p.org/node/868580

6. -

7. JS error

h5p-course-presentation.js?ver=1.21.1:1 Uncaught TypeError: Cannot read property 'find' of undefined

at S.setOverflowTabIndex (h5p-course-presentation.js?ver=1.21.1:1)

at S.attachElement (h5p-course-presentation.js?ver=1.21.1:1)

at i.t.appendElements (h5p-course-presentation.js?ver=1.21.1:1)

at S.createSlides (h5p-course-presentation.js?ver=1.21.1:1)

at S.attach (h5p-course-presentation.js?ver=1.21.1:1)

at Object.H5P.newRunnable (h5p.js?ver=2020020500:954)

at HTMLDivElement.<anonymous> (h5p.js?ver=2020020500:137)

at Function.each (jquery.js?ver=2020020500:2)

at init.each (jquery.js?ver=2020020500:2)

at Object.H5P.init (h5p.js?ver=2020020500:93)

8. No php erros

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