The errata are sorted alphabetically by pattern name. I am sorry for mistakes.
Demore (Breathe Modern Page 44)
Rows 1-3 are missing in section 2. It should be as follows:
Row 1 (RS): Sl 1, knit to marker, m1, slm, k2tog, yo twice, k2tog, yo twice, k2.
Row 2 (WS): K3, p1, k2, p2, slm, purl to last 3 sts, k3. (8 sts before marker)
Row 3: Sl 1, knit to marker, m1, slm, k2tog, yo twice, k2tog, k4.
Row 4: Bind off 2 sts, k4, p2, slm, purl to last 3 sts, k3. (6 sts before marker)
Work Section 2 rows 1-4 15 times. (47 sts),
Duality (Breathe Modern Page 12, 13)
Double Seed Stitch Pattern for smaller size (multiple of 4 sts plus 2 sts)
Row 1 (RS): With smaller needles, sl 1 purlwise with yarn in front, *k2, p2; rep from * to last st, k1.
Row 2 (WS): With larger needles, Repeat Row 1.
Row 3: With smaller needles, sl 1 purlwise with yarn in front, *p2, k2; rep from * to last st, k1.
Row 4: With larger needles, Repeat Row 3.
Rep rows 1-4 for pattern.
Next row (WS): *P-tbl, p2, p-tbl, drop next knit st, yo, p-tbl, drop next knit st, yo; rep from * to last 4 sts, p-tbl, p2, p-tbl.
Unravel all dropped sts to the bottom of the section.
Meadow's Night (Breathe Modern Page 20)
The following part is missing after Rnd 36 on Section C
Rnd 37: *Place RH needle from front to back between the 4th and 5th sts from tip of LH needle and draw through a loop, k this loop together with the 1st st on the LH needle, k3, p2; rep from * around.
Rnds 38-41: *K4, p2; rep from * around.
Bind off all stitches loosely, using a larger needle size if desired.
Cut both strands of color B leaving a 4-5” tail.
Page 1 [Work Section B]
Then work Stitch Pattern B2 12  times. (24  rows total in Stitch Pattern B2)
Page 2 [Stitch Pattern C]
Rows 3, 5, 7, 9 and 11: Sl 1, K until 2 sts before marker, K2tog, sl m, (P3, K1) 21  times, P3, sl m, SSK, K to end. (total of 2 sts decreased on this row)
Main Body Stitch Pattern (multiple of 2 sts) - for DK Weight Version
Row 2: P2, drop next yo; rep from *, to last 2 sts, P2.