Hi,
Could someone enlighten me on why there is a "-" sign in the loads "Avail (-3)"?

Avail Capacity Auth. Booked Held PS SA
1/-3/8 12/52/310 12/52/333 8/55/302 3/0/0 0/1/0 3/0/3
6 374 397 365 3 1 6

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