pdf generation

error file

NoMethodError in Personal_invoices#show

Showing D:/PERFILES/Marquez/Jaratech/Workspace/branches/tt2-rails/app/views/personal_invoices/show.pdf.prawn where line #17 raised:

undefined method `headers=' for #<Prawn::Table:0x75612d8>

Extracted source (around line #17):

14:                 ["Email address", "#{@invoice.paypal_email}"]
15:                ]
16: 
17: pdf.table(invoice_info, :headers => ["Column A","Column B"])
18: 
19: invoice_items = @invoice.personal_invoice_items.all.map { |item| [item.project.name, item.description, item.hours, item.rate]}
20: 

Rails.root: D:/PERFILES/Marquez/Jaratech/Workspace/branches/tt2-rails
Application Trace | Framework Trace | Full Trace

app/views/personal_invoices/show.pdf.prawn:17:in `_app_views_personal_invoices_show_pdf_prawn___836651295_63953232_0'
app/controllers/personal_invoices_controller.rb:52:in `show'
app/controllers/personal_invoices_controller.rb:48:in `show'

Request

Parameters:

{"format"=>"pdf",
 "id"=>"10"}

Show session dump

Show env dump
Response

Headers:

None

show.pdf.prawn

pdf.font_size 24
pdf.text_box "Invoice"
pdf.move_down 50

pdf.font_size 14
to_company = "Dream Staffing LLC"
to_address = "105 Court St., Suite 401 New Haven, CT 06511"

invoice_info = [["Invoice Number", "#{@invoice.render_number}"],
                ["Invoice Date", "#{@invoice.date}"],
                ["From", "#{@invoice.complete_name} \n #{@invoice.address}"],
                ["To", "#{to_company} \n #{to_address}"],
                ["Pay mode", "Bank Wire"],
                ["Email address", "#{@invoice.paypal_email}"]
               ]

pdf.table(invoice_info, :headers => ["Column A","Column B"])

invoice_items = @invoice.personal_invoice_items.all.map { |item| [item.project.name, item.description, item.hours, item.rate]}

pdf.move_down 30

pdf.table invoice_items