the error traceback is say about the field customer is empty, so i 
encountered it with IS_EMPTY_OR(IS_IN_DB() ) form validation. but it's not 
the main problem, 
the main problem is when using form.validate() it seems that boolean field 
type always return false answer even i already tick mark the form field 
(boolean field type : is_booking), in example above it always execute the 
else part (customer = form.vars.customer) either i tick mark the form field 
or not. 
what i expected is when user tick mark the form field (is_booking = 'on') 
it will do the query and insert the query value into the table (customer = 
booking.customer), when user not click the boolean form field (is_booking = 
'off'), it will take the data in form (customer = form.vars.customer)

thanks and best regards,
stifan

On Monday, November 30, 2015 at 11:11:02 AM UTC+7, Anthony wrote:
>
> What is the traceback?

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