Appian Community

Browse Knowledge Base Articles

Find product support articles for frequently-asked-about topics

Latest Knowledge Base Articles

KB-1252 Appian Health Check process hangs and does not complete
- Revision #2
- on 12 Jul 2021 7:50 AM
Symptoms The Health Check process may appear to be 'hanging' or taking a very long time without completing but does not appear to fail. The following error can be...
KB-2191 Creating or importing Web API fails with error "could not insert: [com.appiancorp.webapi.WebApi]"
- Revision #8
- on 17 Jun 2021 6:28 AM
Symptoms Creating or importing a Web API in Appian Designer fails with the following error in the application server log: webApi <UUID> "<WEBAPI_NAME>": An error...
KB-2190 Process models fail to save with "Non-nullable input ACP(s) for unattended node(s) must not be null: isAsynchronous" error
- Revision #7
- on 15 Jun 2021 3:26 AM
Symptoms After an upgrade or site restart, process models fail to save with the following error: Non-nullable input ACP(s) for unattended node(s) must not be null...
KB-1120 How to create custom log files in Appian
- Revision #2
- on 10 Jun 2021 4:25 PM
Purpose This article outlines the process to create a custom log file in Appian. The custom file can have logs from specific Java classes which may or may not be included...
KB-2185 CDT shows no fields and message "Simple Types cannot be edited"
- Revision #12
- on 3 Jun 2021 10:05 PM
Symptoms After modifying a CDT, the CDT fields are no longer present and the following message is observed when the object is opened in Designer: "Simple Types cannot...