My GT06 Devices reporting time: 1970-01-01 05:30:00, lat: 0.00000, lon: 0.00000, course: 0.0

All of sudden today morning some vehicles reporting this
I restarted traccar still issue continues,
Traccar 5.10

Log

2025-07-28 21:48:03  INFO: [T793d244d] id: 358657102272528, time: 2025-07-28 21:48:02, lat: 23.83674, lon: 85.46735, speed: 12.4, course: 86.0
2025-07-28 21:48:03  INFO: [T793d244d: gt06 > 106.222.247.1] 78780512003093270d0a
2025-07-28 21:48:03  WARN: Failed to store position - Data truncation: Incorrect datetime value: '1970-01-01 05:30:00' for column 'fixtime' at row 1 - MysqlDataTruncation (... < QueryBuilder:469 < DatabaseStorage:95 < DefaultDataHandler:47 < ...)
2025-07-28 21:48:03  INFO: [T64b90137: gt06 < 106.222.246.27] 7878110103551721073271978066000104545dda0d0a
2025-07-28 21:48:03  INFO: [T1a8d4a1b] id: 869925070565260, time: 1970-01-01 05:30:00, lat: 0.00000, lon: 0.00000, course: 0.0
2025-07-28 21:48:03  INFO: [T3fc27c6b: gt06 < 106.222.240.69] 7878262219071c10113acf01dca950086b501c1215120194314eb800d7e8010000000dc47606f9814d0d0a
2025-07-28 21:48:03  INFO: [T22a62d31: gt06 < 106.222.240.53] 78780d0103587350705519070005aaef0d0a
2025-07-28 21:48:03  INFO: [T27083cb5] connected
2025-07-28 21:48:03  INFO: [T76298a03: gt06 < 106.222.242.222] 78781f1219071c101200c601dda1c8086a2710141425019431006500563800408f540d0a78781f1219071c101201c601dda1dc086a275011143a01943100650056380041274b0d0a
2025-07-28 21:48:03  INFO: [T8cd861b0: gt06 < 106.222.244.171] 78781101035517210459040970110001002f74710d0a


2025-07-28 21:48:04  INFO: [Td56f2fe6] id: 867440068617455, time: 2025-07-28 21:37:31, lat: 17.24288, lon: 78.42704, course: 84.0
2025-07-28 21:48:04  WARN: Failed to store position - Data truncation: Incorrect datetime value: '1970-01-01 05:30:00' for column 'fixtime' at row 1 - MysqlDataTruncation (... < QueryBuilder:469 < DatabaseStorage:95 < DefaultDataHandler:47 < ...)
2025-07-28 21:48:04  INFO: [T12a3cad8] id: 358735070968366, time: 1970-01-01 05:30:00, lat: 0.00000, lon: 0.00000, course: 0.0
2025-07-28 21:48:04  INFO: [T0d2fff48] timed out
2025-07-28 21:48:04  INFO: [T12a3cad8: gt06 > 106.222.246.41] 7878051303ccde700d0a
2025-07-28 21:48:04  INFO: [T0d2fff48] disconnected

I'm scared why this happend & what was the solution to get this device to report correct data
I just want to know how to fix GPS, as I see GPS fix to be done

Have you tried upgrading?

If the vehicles are the ones reporting wrong data why restart the server?