Verwijderen van duplicaten...

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<b>Fatal error</b>:  Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /var/www/levenslied/public/remove-duplicates.php:13
Stack trace:
#0 /var/www/levenslied/public/remove-duplicates.php(13): PDOStatement-&gt;execute()
#1 {main}
  thrown in <b>/var/www/levenslied/public/remove-duplicates.php</b> on line <b>13</b><br />