set launch params error

[imblowsnow]

browserless.io:server:trace Handling inbound HTTP request on "POST: /screenshot?timeout=0&blockAds=true&launch%5Bheadless%5D=true&token=6R0W53R135510" +47s
browserless.io:server:trace Found matching HTTP route handler "/screenshot?(/),/chromium/screenshot?(/)" +2ms
browserless.io:server:trace Authorizing HTTP request to "/screenshot?timeout=0&blockAds=true&launch%5Bheadless%5D=true&token=6R0W53R135510" +0ms
browserless.io:server:trace Validating route query-params with QUERY schema +1ms
browserless.io:server:error HTTP query-params contain errors sending 400:"launch[headless]" is not allowed +57s

[imblowsnow]

  browserless.io:server:trace  Handling inbound HTTP request on "POST: /screenshot?timeout=0&blockAds=true&token=6R0W53R135510" +58s
  browserless.io:server:trace  Found matching HTTP route handler "/screenshot?(/),/chromium/screenshot?(/)" +3ms
  browserless.io:server:trace  Authorizing HTTP request to "/screenshot?timeout=0&blockAds=true&token=6R0W53R135510" +0ms
  browserless.io:server:trace  Validating route query-params with QUERY schema +1ms
  browserless.io:server:trace  Validating route payload with BODY schema +5ms
WARNING: schema missing a 'type' or '$ref' or 'enum': 
{}
  browserless.io:server:error  HTTP body contain errors sending 400:"cookies" must be an array +58s
 

set cookies params error