ME51N not displays the field Requirement segment 'SGT_RCAT'

Experts,

When I motorboat the ME51N transaction, the landing leafage does not show the tract Requirement Segment (EBAN-SGT_RCAT). However, the tract for Stock Segment (EBAN-SGT_SCAT) does appear. This contented occurs lone for a circumstantial lawsuit box. Any insights would beryllium overmuch appreciated.

Thank you

Ravi K