[wp-trac] [WordPress Trac] #60313: PHP Warning: Cannot modify header information - headers already sent

[WordPress Trac]

#60313: PHP Warning:  Cannot modify header information - headers already sent
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 Reporter:  paulvek       |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  6.4.2
 Severity:  critical      |  Resolution:
 Keywords:                |     Focuses:
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Comment (by sabernhardt):

 Trac is not good for individual site help; the
 [https://wordpress.org/support/forums/ support forums] would be more
 appropriate. Then I could delete this entire Trac ticket.

 The line numbers suggest that you use WP Toolkit, and
 [https://talk.plesk.com/threads/php-warning-in-maintenance-php.372503/
 this Plesk thread] has some information about the error. I think the cause
 could have been a plugin that you updated immediately before the errors
 appeared.

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Ticket URL: <https://core.trac.wordpress.org/ticket/60313#comment:4>
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