Title: Error Fix: wp-admin/categories.php Last modified: August 18, 2016 --- # Error Fix: wp-admin/categories.php * [Joseph Scott](https://wordpress.org/support/users/josephscott/) * (@josephscott) * [22 years ago](https://wordpress.org/support/topic/error-fix-wp-admincategoriesphp/) * The function `wp_dropdown_cats` requires at least one argument. In wp-admin/categories. php on line 186 is a call to wp_dropdown_cats with no arguments, this generates the following error: `Missing argument 1 for wp_dropdown_cats() Missing argument 1 for wp_dropdown_cats()` I’ve only briefly looked at the code for `wp_dropdown_cats` but a simple fixes appears to be to change line 186 to look like: ` ` Viewing 1 replies (of 1 total) * Moderator [Matt Mullenweg](https://wordpress.org/support/users/matt/) * (@matt) * [22 years ago](https://wordpress.org/support/topic/error-fix-wp-admincategoriesphp/#post-59003) * Fixed. Viewing 1 replies (of 1 total) The topic ‘Error Fix: wp-admin/categories.php’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 1 reply * 2 participants * Last reply from: [Matt Mullenweg](https://wordpress.org/support/users/matt/) * Last activity: [22 years ago](https://wordpress.org/support/topic/error-fix-wp-admincategoriesphp/#post-59003) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics