[MVC] Fatal Error: To associate posts with Users, its table needs to have a column named "post_id" of type BIGINT(20). Please run the following SQL to add and index the column:

ALTER TABLE wp_users ADD COLUMN post_id BIGINT(20);
ALTER TABLE wp_users ADD INDEX (post_id);

Thrown on line 59 of /home/tsrc/public_html/wp-content/plugins/wp-mvc/core/models/mvc_model.php