Hi and welcome!
Adorable pattern. Row 3 is the problem?
Row 3 KFB, (MB, k1b) 5 times, KFB. (14sts)
Work a knit front and back. The repeat is (make bobble, knit into the back of the next stitch) repeat the directions in parentheses or brackets 5 times. So that would be:
knit front and back into one stitch
(make bobble, knit into the back of the next stitch)
(make bobble, knit into the back of the next stitch)
(make bobble, knit into the back of the next stitch)
(make bobble, knit into the back of the next stitch)
(make bobble, knit into the back of the next stitch)
end the row with knit front and back.
You’ll have 14sts when you finish the row.
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