[wp-trac] [WordPress Trac] #60531: TypeError: t.substr is not a function

[WordPress Trac]

#60531: TypeError: t.substr is not a function
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 Reporter:  254volkan     |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Editor        |    Version:
 Severity:  critical      |   Keywords:
  Focuses:                |
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 When adding or editing a navigation block, I get the error
 above.[[Image(https://imgur.com/FQQC5CQ)]]
 [[Image(https://imgur.com/iBYBbxD)]]
 [[Image(https://imgur.com/Fqy8ZJL)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/60531>
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