[wp-trac] [WordPress Trac] #37036: Error in JSON Data from admin-ajax.php

[WordPress Trac]

#37036: Error in JSON Data from admin-ajax.php
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 Reporter:  baekerIT           |       Owner:
     Type:  defect (bug)       |      Status:  reopened
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Media              |     Version:  4.5.2
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by ocean90):

 Replying to [comment:6 baekerIT]:
 > So I've just fount out that the Problem appeared, when the actual
 Childtheme is used.

 @baekerIT Sounds like the child theme has a file with a
 [https://en.wikipedia.org/wiki/Byte_order_mark byte order mark] inserted.
 You can try to re-save all files as UTF-8 without BOM using Notepad++ or
 another editor. I'd start with `functions.php`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37036#comment:7>
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