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No valid timelinepreviews image was found.

Steps to reproduce

Steps to reproduce:
1. Open the JavaScript console window in your browser (e.g. Chrome Developer Tools, Firebug, Edge F12 Tools)
2. Open a video in Thedul player that has no timeline preview images generated by Opencast, e.g. https://presentation.opencast.uni-halle.de/engage/theodul/ui/core.html?id=5d3ff574-38fd-47ed-8864-f9c2173c3917
3. Notice the error message `No valid timelinepreviews image was found. TypeError: "timelinePreview.get(...) is undefined"`

Actual Results:
Received an error message.

Expected Results:
Received an information or warning message, except if Opencast/Theodul will not support missing timeline preview images in future. In that case, however, how can we regenerate the missing images for all episodes?

Workaround (if any):
-

Status

Assignee

Unassigned

Reporter

Felix Pahlow

Severity

Cosmetic Issue

Tags (folksonomy)

None

Components

Affects versions

5.0
5.1

Priority

Trivial