[wp-trac] [WordPress Trac] #43109: WP 4.9.2

[WordPress Trac]

#43109: WP 4.9.2
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 Reporter:  gallerycy     |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  4.9.2
 Severity:  normal        |   Keywords:
  Focuses:                |
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 WP have installed this update and I am now unable to access the dashboard
 - please can you help? The site is gallerycy.com


 Warning: preg_match(): Compilation failed: unrecognized character after
 (?< at offset 4 in /web1/user53852/website/wp-includes/wp-db.php on line
 1657

 Warning: Cannot modify header information - headers already sent by
 (output started at /web1/user53852/website/wp-includes/wp-db.php:1657) in
 /web1/user53852/website/wp-includes/pluggable.php on line 1216

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Ticket URL: <https://core.trac.wordpress.org/ticket/43109>
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