Figure 3.12.21-7 shows an Extraneous section identified by a single pound (#) sign in front of the section.This illustration displays a portion of the error register containing Section 01, Fields A through Q; Section 02, Fields A through F; and Section 40, Fields A through F.The illustration shows a single pound sign (#) in front of the number 40 (for Section 40) on the register.This display also shows that Fields A, B, C, D, E, and F of Section 40 are all blank.