Oops! We Have an Error in Month 2 of the TQS BOM 2018 TQS BOM 2018 3 One of Barbara Black's "Sew and Sews" members found an error in the Month 2 instructions of the TQS BOM 2018. In Block 5, step 2, Unit B should be 4.75” unfinished, not 4.5”.