Weird clocking sound when pedalling

Hi all, just bought a new p-line and love it so far. Just this weird sound coming from the bottom bracket or pedals. It’s there when I pedal with low effort or sometimes depends on feet’s positioning. Does anybody know what it could be? And how it can be fixed?

Weird clocking sound when pedalling
byu/Inevitable-Bath-3036 inBrompton

by Inevitable-Bath-3036