The change does seem to make the change as needed for the debug, but still getting invalid tag path. Not sure why exactly.
Here is my flow if that makes it easier. By the way, I really appreciate you helping out with this, I am very novice with Node Red.
PRSTAXIN is the value I want to show in the tag path by the way.
[{"id":"e98fae31.a1e91","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"b2a71f8f.e9049","type":"inject","z":"e98fae31.a1e91","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":154,"y":56,"wires":[["7b6e509.45fffb"]]},{"id":"7b6e509.45fffb","type":"file in","z":"e98fae31.a1e91","name":"","filename":"C:\\Users\\justin.huggins\\Nodered.csv","format":"lines","chunk":false,"sendError":false,"encoding":"none","x":409.5,"y":58,"wires":[["f2455966.45a5c8"]]},{"id":"f2455966.45a5c8","type":"csv","z":"e98fae31.a1e91","name":"","sep":",","hdrin":"","hdrout":"","multi":"one","ret":"\\n","temp":"","skip":"0","x":669,"y":59,"wires":[["92d22fe3.944de"]]},{"id":"2e6e08d.8d6e8f8","type":"ignition-tag-write","z":"e98fae31.a1e91","server":"34b12946.f6e0b6","value":"","valueType":"msg.payload","tagPath":"","tagValue":"","name":"","x":1089,"y":63,"wires":[[]]},{"id":"92d22fe3.944de","type":"change","z":"e98fae31.a1e91","name":"","rules":[{"t":"move","p":"payload","pt":"msg","to":"payload.tagpath","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":849,"y":60,"wires":[["2e6e08d.8d6e8f8","b3890d53.54e48"]]},{"id":"b3890d53.54e48","type":"debug","z":"e98fae31.a1e91","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":1074,"y":186,"wires":[]},{"id":"34b12946.f6e0b6","type":"ignition-server","z":null,"hostname":"localhost","port":"8088","ssl":false,"defaultTagProvider":"edge","name":""}]