You forgot the commas after every item.
vehcreates = {
[1] = createVehicle(589, 561.3701171875, -1289.9091796875, 17.248237609863),
[2] = createVehicle(518, 556.1318359375, -1290.0322265625, 17.248237609863 ),
[3] = createVehicle(402, 550.7373046875, -1289.525390625, 17.248237609863 ),
[4] = createVehicle(603, 545.7001953125, -1289.4248046875, 17.248237609863),
[5] = createVehicle(480, 540.79296875, -1289.3271484375, 17.2421875 ),
[6] = createVehicle(415, 535.57421875, -1289.22265625, 17.2421875),
[7] = createVehicle(562, 530.060546875, -1289.1123046875, 17.2421875),
[8] = createVehicle(541, 542.0224609375, -1276.32421875, 17.2421875),
[9] = createVehicle(451, 548.0458984375, -1276.681640625, 17.248237609863 ),
[10] = createVehicle(506, 554.1796875, -1274.70703125, 17.248237609863),
[11] = createVehicle(558,558.728515625, -1273.3828125, 17.2421875),
[12] = createVehicle(559, 514.390625, -1300.3056640625, 17.242187),
[13] = createVehicle(565, 511.8505859375, -1306.9794921875, 17.2421875),
[14] = createVehicle(429, 512.4658203125, -1313.7265625, 17.2421875 ),
[15] = createVehicle(429, 544.9677734375, -1282.751953125, 17.248237609863 ),
[16] = createVehicle(429, 551.22265625, -1282.5458984375, 17.248237609863 ),
[17] = createVehicle(429, 557.4365234375, -1282.0048828125, 17.248237609863 ),
[18] = createVehicle(429, 563.5048828125, -1281.46875, 17.248237609863 )
}