ST-901A / HUABAO message without data

Hello;
I configured my device type "ST-901A" on my server, and I used port 5015.
here is the result with the same repeated message !

2022-10-11 13:55:30 INFO: [T49cad49e] connected
2022-10-11 13:55:33 Info: [T49CAD49E: HUABAO <105.235.139.209] 7E0100003404052157180001400000000373039393639455634380000000000000000000000000000000030,
2022-10-11 13:55:33 WARN: Unknown device - 045052157180 (105.235.139.209)

What is needed here?

Have you read the troubleshooting guide?

did you use the identifier and not the imei when adding it in traccar?

Yes, the imei was the problem, i changed it by the id,
It works now!
Thanky ou