WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]SELECT pd.id, pd.pending_date, pd.onprocess_date, pd.shipped_date, pd.completed_date, pd.eta_date FROM wp_po_data AS pd INNER JOIN wp_vendor_list AS vl ON pd.vendor_id = vl.id WHERE pd.vendor_id =