https://community.appian.com/discussions/f/integrations/5651/web-service-hi-we-have-an-issue-with-cdt-created-by-webservice# Web Service Hi, We have an issue with cdt created by webservice. the issue is, the cdt created via webservice has one text field and when i open that cdt it is showing a blank window. i,e. it is not showing the text field in cdt.. Quick response isen-USTelligent Community 12https://community.appian.com/thread/21461?ContentTypeID=1Fri, 14 Aug 2015 18:09:24 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:5b6a2639-339e-4107-b377-a3e1d7a68f19neelimajShiva, Delete the existing CDT and try running the Web service again which creates new one.. may be this solves the issue..<div style="clear:both;"></div>https://community.appian.com/thread/21460?ContentTypeID=1Fri, 14 Aug 2015 17:44:58 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:62707c32-7e03-4e5f-93e8-24381756de30shivakanthrYes. It is there in listed CDTs in system tab<div style="clear:both;"></div>https://community.appian.com/thread/21459?ContentTypeID=1Fri, 14 Aug 2015 17:42:04 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:10a64312-6d03-4aac-b92d-d120905748b1Paul MayeurOne final question. The the CDT listed in the list of CDTs on the system (system tab)<div style="clear:both;"></div>https://community.appian.com/thread/21458?ContentTypeID=1Fri, 14 Aug 2015 17:39:29 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:93e8de78-b440-41ac-a6af-e2c9f0655186shivakanthr<br />we are using Appian 7.9...<br />When i execute the process the webservice giving response properly (Proper value in CDT). But i am having issue with that cdt when i open and while exporting the application.<br /><br />while exporting the application i am getting below error message..<br /><br />datatype 9042 {***}validateResponse: The data for datatype [id=9042 uuid={***/}validateResponse]could not be retrieved for export. Cause: java.lang.NullPointerException (APNX-1-4071-002).<div style="clear:both;"></div>https://community.appian.com/thread/21457?ContentTypeID=1Fri, 14 Aug 2015 17:24:00 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:8c91c2d8-5c4d-4cc6-b97b-42ce81427eeaPaul MayeurThat means the CDT was not created properly. What version of Appian are you on?<div style="clear:both;"></div>https://community.appian.com/thread/21456?ContentTypeID=1Fri, 14 Aug 2015 17:21:47 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:9be7099a-4103-4fd6-a49a-4b73da308f45shivakanthr@Paul, Its all blue, no cdt title is displaying<div style="clear:both;"></div>https://community.appian.com/thread/21455?ContentTypeID=1Fri, 14 Aug 2015 17:20:03 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:81a945b3-c031-4bc7-a100-2eb033f696ecPaul MayeurWhen you say blank, is it all blue, or is there still a top bar with the title of the CDT in the top left and gear (settings) menu in top right?<div style="clear:both;"></div>