Hello @Shreyas_tm  It looks like an issue with FormsPortal bundle.Can you please check in the bundles page if FormsPortal bundles are active?You can also try restarting the bundles. If you are using any custom builds, please make sure that this class i included in the artifact. Thanks,Rahul Pandey

Hello @Shreyas_tm  Can you please confirm how you are adding the supp documents on form?Also, kindly share the error snippet from logs while saving the form. Thanks,Rahul Pandey

Hello @AravindSe2  Can you please try with below command: mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate -D archetypeGroupId=com.adobe.aem -D archetypeArtifactId=aem-project-archetype -D archetypeVersion=52 -D appTitle="MyForm" -D appId="myform" -D groupId="com.myform" -D incl...

Hello @AravindSe2  Can you try creating the maven archetype in "Desktop" folder and then run the maven build.Windows sometimes have permissions issue with Downloads folder. You can also create a new folder in C:/ drive and test the same. Thanks,Rahul Pandey

Hello @ngọc_duyn633459  You can refer to doc at [0] for writing the custom functions in AEM Forms and using them through rule editor. Thanks,Rahul Pandey [0] https://experienceleague.adobe.com/en/docs/experience-manager-learn/forms/adaptive-forms/custom-functions-aem-forms