Sanjeev Sabhlok's notes on technology, hardware, gardening

Fatal error: Call to undefined function wp_removable_query_args() in …/wp-admin/includes/misc.php on line 900

This is a terrible error, requiring reinstallation of wordpress. The basic installation is swrewed up.

You can’t get access to the wordpress dashboard nor can tinkering with anything (e.g. wp-config.php) help.

SOLUTION ON DREAMHOST

1. Make sure you backup the database through phpmyadmin

2. Take a backup of all server files through FTP. While you CAN’T use most of these files again, you may need some of them, e.g. images that you have separately uploaded.

3. Delete ALL files on the server (including . files, e.g. .htaccess)

4. Go to one-click install and install a new wordpress through Dreamhost

This will provide a totally new table prefix. You now need to:

a) backup the database in case needed again

b) one by one drop and reaname tables

THIS IS VERY COMPLEX BUT NO OTHER WAY EXISTS.

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