[wp-trac] [WordPress Trac] #42574: MediaElement upgrade causing JS errors when certain languages are in use e.g de_DE-formal

[WordPress Trac]

#42574: MediaElement upgrade causing JS errors when certain languages are in use
e.g de_DE-formal
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 Reporter:  erich_k4wp    |       Owner:  johnbillion
     Type:  defect (bug)  |      Status:  closed
 Priority:  high          |   Milestone:  4.9.1
Component:  Media         |     Version:  4.9
 Severity:  normal        |  Resolution:  fixed
 Keywords:                |     Focuses:  javascript, administration
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Comment (by Drumsk8):

 Hello I recently just had this exact issue and it was driving me crazy I
 couldn't find a solution, however, I've found one. \\
 \\
 It was being caused by my user account not having a language set, it was
 supposed to be using the default site language(English US) but wasn't
 actually defined.\\
 \\
 Having now defined the langauge as English US, it's now working for me. \\
 \\
 This was affecting both version 4.9.7 & updated to 4.9.8.\\
 \\
 Just sharing this experiance as it may save someone else a ton of time and
 bother.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42574#comment:61>
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