the time clock (RTC) on this device (STEVAL-SMARTAG1) seem to be off after half day of running, is there a fix available ?

when I pull the log data to view the time event, there was a time skip then the RTC is no longer have accurate time for the remaining data, as showing below: from 2:36 it jump to 13:32, everything after 13:32 have wrong time, i'm not sure if what I e...