get_extra_field error in v4.20

[business +]

What version of 68 Classifieds are you running?
Example: V4.2.0 Developer

What template are you using?
Default

Please describe in detail the issue you are having:
On upgrading to 4.20 , in place where I have used the get_extra_fiels plugin, I get the following error:

Notice: Query failed: Query was empty SQL: in /home/dir/public_html/v420/includes/classes/database/mysql.php on line 143

The syntax is
{get_extra_field id=$view fid=36} ... used in viewlisting2.tpl