Hello, You can change the values of .maxResults and .firstResult and this way get the problematic entity by a process of elimination.Have you tried to check xmpNbiFw.log and persistence.log once the error occurs?

Hello, This entity may not appear as problematic in the UI. You can narrow it down by changing the value of .maxResults (and .firstResult if necessary).Also could be useful to check xmpNbiFw.log and persistence.log.

Hello,    Can you please check xmpNbiFw.log and persistence.log once the exception occurs and share the full stack trace?   For now, it looks like the request to DB returns a null value for some entity's attribute. You might find the problematic enti...

Hello,  It looks like one of the clients returns an unsupported value for policyType attribute.You can find the full list of the supported values on the documentation page:your-pi-ipaddress/webacs/api/v4/data/ClientDetails?_docs Can you please check ...

Hello, Try add .json in the end of the url, like "/op/devices/syncDevices.json", "/op/devices/removalJob.json", "/op/devices/bulkImport.json" (please note PUT devices/deleteDevices API is deprecated and not recommended to use).Also, there are some ex...