MySQL #1140 - Mixing of GROUP columns

Question

Hi wondering if perhaps someone could shed some light on the below error. The sql works fine locally but i get the the below error remotely.

SQL query:

<         


        

Answer 1

stripped it back to basics:

   SELECT COUNT( node.nid ) 
     FROM node node
LEFT JOIN content_type_update node_data_field_update_date ON node.vid = node_data_field_update_date.vid
    WHERE node.type IN ('update')
 ORDER BY node_data_field_update_date.field_update_date_value DESC