on and off from nipples frequently

Freak

my two month old is latching on and then with in few seconds pulling away from nipples. it happens on both breasts. I tried with leaning back method but no improvement. she is doing this and getting fussy and not drinking her regular amount. she is 60% pumped bottle fed and doing the same on the regular bottle nipples - wanting to suck and then immediately pulling herself away.

any suggestions for me?