why i cant send fcx to the market ?

Stato: 0/unconfirmed, in memory pool
Data: 08/02/2018 11:23
A: Fbv36HPf8p1pyJe7BuTv14rRoGzukKJ4se
Debito: -243.04709921 FXC
Commissione transazione: -0.00005062 FXC
Importo netto: -243.04714983 FXC
ID della transazione: 2bb748e4b743b9adf6d402f84b459dc7d15cd90e35ddbd9c61e3dfd2610b24e2-000
Transaction total size: 5060 bytes

20 hours and no confirmation ? no trace on the explorer...
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