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1. karelschp
   Member
   Posted 3 years ago #

   after upgrading from 1.5 to 2.0.3 (and moving from one host to another)and triying to publish a new article, I encountered the following error and I cann't find how to resove it:

   WordPress database error: [Duplicate entry '0' for key 1]
   INSERT INTO wp_postmeta (post_id,meta_key,meta_value) VALUES ('0','_pingme','1')

   WordPress database error: [Duplicate entry '0' for key 1]
   INSERT INTO wp_postmeta (post_id,meta_key,meta_value) VALUES ('0','_encloseme','1')

   Warning: Cannot modify header information - headers already sent by (output started at /home/karelsch/public_html/wp-includes/wp-db.php:101) in /home/karelsch/public_html/wp-admin/post.php on line 60

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