https://community.appian.com/discussions/f/user-interface/35462/doctype-is-not-valid-json-appianHi, We have on-premise environment. We`ve switched from Apache Tomcat to IIS as web server. Since then, when trying to open a site: .../suite/sites/hr-application/group/organization/page/employee-directory/record/...id.../view/summary we`re gettingen-USTelligent Community 12https://community.appian.com/thread/138332?ContentTypeID=1Fri, 19 Jul 2024 09:29:17 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e347d037-8f70-4fee-b53a-f2d2d5f1b353nejcs6026<p>thank you!&nbsp;We opened a support ticket and solved the issuewith their help.&nbsp;<br /><br />the issue was following:</p> <p>there was an issue with&nbsp;<span><span class="ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak" dir="ltr">URL request lenght, which was set to 260 characters, request was long 278...&nbsp;It was solved&nbsp;with IIS setting in web config: &lt;httpRuntime maxUrlLength=&quot;512&quot; relaxedUrlToFileSystemMapping=&quot;true&quot;/&gt;</span></span></p> <p><span><span class="ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak" dir="ltr"></span></span></p> <p><span><span class="ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak" dir="ltr">thank you!</span></span></p><div style="clear:both;"></div>https://community.appian.com/thread/138134?ContentTypeID=1Tue, 16 Jul 2024 09:32:33 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:9718a60e-172f-47f5-8c2c-0a83467acdbeStefan Helzle<p>This feels like a case for a support ticket with the Appian support.</p><div style="clear:both;"></div>