I just spotted this very Old UR Just want to know how this could happen. Also can I go back to 1991 since I was 16 then. 
In case the above link does not work the UR is on this road.
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We’ve seen a few of these before. I believe it happens when there is a mismatch between the clock on the device and the clock on the Waze servers.
Fair enough I guessed it was a known bug. 