[wp-trac] [WordPress Trac] #51959: "the response is not a valid JSON response” error in WordPress

[WordPress Trac]

#51959: "the response is not a valid JSON response” error in WordPress
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 Reporter:  elmwp1        |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 When I go to update a page in WordPress Twenty Twenty, I get an error
 message stating "the response is not a valid JSON response" which prevents
 the update.

 I have only received this error message in one WordPress site among many
 that I use.  However, I have researched this error message in many sources
 and have yet to find any source that has an answer for the problem...

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Ticket URL: <https://core.trac.wordpress.org/ticket/51959>
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