404 NOT_FOUND "Failed to validate form source due to: ";
nested exception is org.springframework.web.server.ResponseStatusException: 404 NOT_FOUND
https://vra-FQDN/vro/forms/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/context?projectId=
When day2 action call is made from the machine's DataGrid, the parameter deployment ID provided is empty due to which request fails to retrieve actions and throws 404 error.
The issue has been fixed in the HotFix for the 8.18.1.
Info how to find and install the fix you can find here: SolutionDetails - Support Portal - Broadcom support portal
Workaround:
The workaround is to run custom 2day action from inside the deployment.