[wp-trac] [WordPress Trac] #45373: New reusable block creation returning blank white screen

[WordPress Trac]

#45373: New reusable block creation returning blank white screen
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 Reporter:  umakantsharmamwb  |      Owner:  (none)
     Type:  defect (bug)      |     Status:  new
 Priority:  normal            |  Milestone:  Awaiting Review
Component:  General           |    Version:  5.0
 Severity:  normal            |   Keywords:
  Focuses:                    |
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 When trying to create a new reusable block, at the time of creating a new
 post, in wordpress5.0-beta5, the screen goes blank with js error -

 Unhandled promise rejection Error: "[object Object]"         wp-
 pollyfill.min.js-2:29718

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Ticket URL: <https://core.trac.wordpress.org/ticket/45373>
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