Title: Formatting.php error when upgrading from 2.0.9
Last modified: August 18, 2016

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# Formatting.php error when upgrading from 2.0.9

 *  Resolved [marzar00](https://wordpress.org/support/users/marzar00/)
 * (@marzar00)
 * [19 years, 1 month ago](https://wordpress.org/support/topic/formattingphp-error-when-upgrading-from-209/)
 * G’day all,
 * I was just upgrading from WP 2.0.9 and got this error msg:
 * Warning: preg_replace() [function.preg-replace]: Delimiter must not be alphanumeric
   or backslash in /home/wwwmarz/public_html/wp-includes/formatting.php on line 
   647
 * Any ideas?
 * Thanks for any help
    Marzar00

Viewing 1 replies (of 1 total)

 *  Thread Starter [marzar00](https://wordpress.org/support/users/marzar00/)
 * (@marzar00)
 * [19 years, 1 month ago](https://wordpress.org/support/topic/formattingphp-error-when-upgrading-from-209/#post-557743)
 * Just had to disable a smilie plug-in

Viewing 1 replies (of 1 total)

The topic ‘Formatting.php error when upgrading from 2.0.9’ is closed to new replies.

## Tags

 * [formatting.php](https://wordpress.org/support/topic-tag/formatting-php/)
 * [preg_replace](https://wordpress.org/support/topic-tag/preg_replace/)
 * [upgrading](https://wordpress.org/support/topic-tag/upgrading/)

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 1 reply
 * 1 participant
 * Last reply from: [marzar00](https://wordpress.org/support/users/marzar00/)
 * Last activity: [19 years, 1 month ago](https://wordpress.org/support/topic/formattingphp-error-when-upgrading-from-209/#post-557743)
 * Status: resolved

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