wp_dropdown_catsrequires 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_catsbut a simple fixes appears to be to change line 186 to look like:
<?php wp_dropdown_cats(false); ?>
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