You Got Whale!
2 body pieces should be knitted, not 1 as stated in the pattern.
Forget Me Not
In the Front, just before Shape Raglans, the instruction to change needle size is missing. The pattern should read:
Row 18 As Row 6.
Place markers at each end of last row.
Change to 4mm needles
Beg with a RS (knit) row, cont in st st until work meas 26 (27: 28: 29: 30)cm from markers, ending after a WS row.
Laid Back Lacework
The instructions on the purl rows should read "P to last 2 sts, K2", not P to last 3 sts.