Page 2 single pattern / page 45 ebook - Two cable symbols have added to the symbol key:
Sl 2 sts to cn and hold to back, k1, p2 from cn. (This looks like T3B but with 1 knit stitch crossing right over 2 purl stitches.)
Page 4 single pattern / page 47 ebook - On Chart B: Left Half, row 115, st 52 should be k2tog.
Page 7 single pattern / page 50 ebook - On Chart B, row 115, st 52 should be k2tog.