How to fix MYSQL error when adding/editing a category?

Question

MySQL

When editing, here is the following error:

The categories.php file is standard

Answer 1

bold on gray says "unidentified fulldescr column in fieldlist".
Open the workbench\heidisequel, connect to your database, find the dle_category table, make sure that the field is really not in the schema, then either add it or go to /engine/inc/categories.php on line 653, and remove the field from the request