[wp-trac] [WordPress Trac] #36501: Fatal error: Undefined class constant 'ALPHACHANNEL_UNDEFINED'

[WordPress Trac]

#36501: Fatal error: Undefined class constant 'ALPHACHANNEL_UNDEFINED'
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 Reporter:  gblsm                  |       Owner:  mikeschroder
     Type:  defect (bug)           |      Status:  reopened
 Priority:  normal                 |   Milestone:  4.5.1
Component:  Media                  |     Version:  4.5
 Severity:  normal                 |  Resolution:
 Keywords:  has-patch fixed-major  |     Focuses:
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Comment (by tenpura):

 Lolipop identified that some of their old servers are affected by this,
 and [https://lolipop.jp/info/news/5276/ officially announced] the solution
 for the issue. They also provide the method for migrating to a non-
 affected server for their customers, so it seems to be OK somehow.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36501#comment:9>
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