Unable to make changes in my existing CDThttps://community.appian.com/discussions/f/data/20534/unable-to-make-changes-in-my-existing-cdtI was trying to add one field to my existing CDT and as soon I add I am getting the following error message. HTTP Code: 500 APNX-1-4198-000 Error Evaluating UI Expression Expression evaluation error [evaluation ID = 7UYV2XAP] : [valid:false,syntaxErroren-USTelligent Community 12RE: Unable to make changes in my existing CDThttps://community.appian.com/thread/80002?ContentTypeID=1Wed, 03 Mar 2021 23:17:41 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:71a99e25-56b3-421c-9772-8e0519dd93eeChris<p>I would recommend submitting an Appian Support case for this issue.&nbsp;&nbsp;</p><div style="clear:both;"></div>