as per Ms. Analee and reynalyn of SITC, it was shown in there system regarding BL number above that " not exist booking". and this particular problem was about agreement number from SITC Thailand (agreement number is where they encode the charges that was subject to bill)that's why SITC manila cannot generate the charges.
Ms reynalyn had already sent an email to SITC Thailand regarding this problem and they are still waiting some reply/ assistance from them.
and as per advice by SITC manila consignee must coordinate with their shipper to make some follow up at SITC Thailand about this agreement number so that they can forward it as soon as possible.
we will keep on monitoring the status and we will keep you updated