[wp-trac] [WordPress Trac] #53789: all kinds of error messages using WordPress 5.8 Widgets block editor

[WordPress Trac]

#53789: all kinds of error messages using WordPress 5.8 Widgets block editor
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 Reporter:  janecarole         |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Widgets            |     Version:  5.8
 Severity:  major              |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  administration
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Comment (by samklund):

 Well, after A LOT of researching and testing, I have figured out that most
 of my issues are due to my theme: Blessing. I kind of inherited this site
 in June of this year. When I looked through the pages, plugins, etc., I
 realized WordPress hadn't been updated since 2018 - yes, 3 years ago. The
 person in charge of this was getting paid for "maintenance" up until the
 middle of 2020, and yet she did nothing. Now I am in charge of cleaning up
 her messes.

 I figured all of this out by simply changing themes. Why didn't I do this
 first? I did, but everything stayed the same. So I did more research and
 found out I should add FancyBox for WordPress plugin as well as Classic
 Widgets plugin. I installed them, then changed themes, and...boom! Problem
 sorted. Maybe this will help one of you.

 I am still having issues with the calendar, but hopefully, when we change
 themes, that will be sorted as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53789#comment:12>
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