createSignature() Invalid GPS value: long=nan lat=nan alt=nan

[Masoumeh]

hi matieu,

I have receive a new error. i do not know what does it mean. i did not have such a kind of error before.
rtabmaperror_.png

how can i fix it?

[matlabbe]

You are feeding a gps topic with nan values.

[Masoumeh]

I dont have any gps! i dont use it

[matlabbe]

rtabmap received a gps with a timestamp to enter this if:
https://github.com/introlab/rtabmap/blob/4390cb64284b7c029ca091693d2f83713ff22846/corelib/src/Memory.cpp#L5315

rtabmap subscribes by default to /gps/fix topic, you may look if you have a topic like that.