<h2>Catalog task (sc_task): Form goes partially unresponsive after previewing a Reference field</h2><br/><div style="overflow-x:auto"><article><div ><h3 >Issue </h3><section><ul style="list-style-position: inside;"><li>Catalog task (sc_task): Form goes partially unresponsive after previewing a Reference field. It happens only few catalog tasks form.</li></ul></section></div><div ><h3 >Cause</h3><section><ul style="list-style-position: inside;"><li>The reference field's table:Requested item, is configured with Variable editor on its sys_popup view.</li><li>If there are any client scripts/ui policies configured on the variables (Requested Items), they will try to execute even when loading the variable editor on <strong>sys_popup</strong> view and won't get executed, this will cause for the issue</li></ul></section></div><div ><h3 >Resolution</h3><section><ul style="list-style-position: inside;"><li>To resolve the issue, remove the variable editor from the <strong>sys_popup</strong> view. More info on this procedure can be found in <a href="https://docs.servicenow.com/csh?topicname=c_ReferenceIcon.html&version=latest#t_FieldsDisplayed" rel="nofollow">https://docs.servicenow.com/csh?topicname=c_ReferenceIcon.html&version=latest#t_FieldsDisplayed</a></li><li>If there is no sys_popup view exists for the table: <strong>sc_req_item</strong>, it will load the <strong>Default</strong> form view of sc_req_item. It is always recommended to create a sys_popup view without a variable editor.</li></ul></section></div><div ><h3 >Related Links</h3><section><ul style="list-style-position: inside;"><li>Sometimes, the issue might occur due to the custom ui macro (formatter) or script include assigned with the Reference field's dictionary or on the form layout.</li></ul></section></div></article></div>