Node-Red Sparkplug B DDATA Messages Failing in Ignition - Troubleshooting Help Needed

General
1

I'm experiencing an issue with Sparkplug B implementation in Node-RED. My flow successfully publishes NBIRTH and DBIRTH messages, but Ignition fails to handle the DDATA messages. The error log shows: 'Failed to handle the DDATA message for spBv1.0/DM_Thaha/DDATA/Node_Red/Device_1'. I've verified the message format and sequence numbers. Could anyone suggest potential causes or troubleshooting steps for this DDATA handling failure?

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flows(1).json (6.3 KB)
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2

Dum question you are manually injecting and don't have inject on start? if you have you could get ddata before dbirth. But think this is a question for ignition. I can't remember if the SPB node shows the protobuf if not you can subscribe to you topics and get the raw protobuf message that might help when asking ignition. There is a SPB validator but I haven't had time to download and learn how to use.