If you see this error in the logs:
ServiceForbiddenException: Forbidden frevvo Forms API access is not enabled for tenant <frevvo tenant name>
This issue was fixed in Live Forms v4.1.5 for ticket #9063 - API access gets disabled after editing a tenant. Solution: Manually fix database via: update tenants set apiEnabled = 1
If you are using the add-on version 184.108.40.20620 , you will see this error "SEVERE: Unable to initialize form. Error Message: FATAL: Cannot parse time. Timezone is unknown/not specified" if you do not provide a timezone when loading data in any date-time field. You must add the _formTz URL Parameter to your form macro. Follow these steps to do that:
This issue is already fixed for ticket(#12910). It is available in next version of the plugin.