Title: Error creating database connection
Last modified: August 22, 2016

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# Error creating database connection

 *  [lacike](https://wordpress.org/support/users/lacike/)
 * (@lacike)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/error-creating-database-connection/)
 * I have the latest WP (4.0.1) and I upgraded from PHP 5.3 to PHP 5.5.
 * Now, the plugin causes the following error being show on top of the page:
    Warning:
   mysql_query(): Access denied for user ”@’xxx.xxx.xxx.xxx’ (using password: NO)
   in /XXX/wp-content/plugins/wppageflip/functions.php on line 4
 * Warning: mysql_query(): A link to the server could not be established in /XXX/
   wp-content/plugins/wppageflip/functions.php on line 4
 * Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in/
   XXX/wp-content/plugins/wppageflip/functions.php on line 4
 * Is there any specific PHP dependency to use this plugin?
 * [https://wordpress.org/plugins/wppageflip/](https://wordpress.org/plugins/wppageflip/)

The topic ‘Error creating database connection’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [lacike](https://wordpress.org/support/users/lacike/)
 * Last activity: [11 years, 6 months ago](https://wordpress.org/support/topic/error-creating-database-connection/)
 * Status: not resolved