It seems to be due to key rollover : Adobe Experience Manager Help | Configuring client and server options AEM forms * Working with document security​ThanksWasil

Please elaborate your question.Thanks,Wasil

It's a configuration issue. I would suggest to raise a DayCare ticket : https://daycare.day.com/home.html ThanksWasil

It might be configuration problem. Please follow this : Installing and configuring AEM 6.3 forms Specifically 32-bit libraries(if on Unix variant)ThanksWasil

Create a wrapper bundle[1] for you version of POI and use explicit import for the packages in your bundle.HTH.ThanksWasil[1] How to Wrap Bundles · bndtools/bndtools Wiki · GitHub

It happens due to lack of enough entropy. Follow this : SecureRandom.nextBytes hangs request threads in AEM ThanksWasil

Are you querying using javax.sql.DataSource ? You may use SQL related operations available on OOTB JDBC category. It appears to be issue with the script. Make sure you import the required classes. Share your sample script here if possible Thanks,Wasil

It's generated/injected via filter, part of platform code, no direct API exposed(wait for other replies) but making a HTTP GET on '/libs/granite/csrf/token.json' should return JSON response having the token.Thanks,Wasil

Boot delegate RSA and BouncyCastle libraries : https://helpx.adobe.com/experience-manager/6-5/forms/using/installing-configuring-aem-forms-osgi.html  Make sure no space in path : https://forums.adobe.com/thread/2347041Cheers,Wasil

Seems cache issue then :  Clear your web browser's cache, cookies, and history Thanks,Wasil