not enough hosts in hostdb for sector calculation get 0 but needed 24

[lrqstudy]

when I use sia for upload my files .When I click the create allowance,input the sc counts ,
then accept ,show me this error message;
not enough hosts in hostdb for sector calculation get 0 but needed 24
Win7+64 .Who can help me ?

[in-cred-u-lous]

It seems your hostdb is empty, i.e. Sia is not aware of any available hosts. It could be that you are not fully synch'ed with the network, or something else. I would leave things running for a few hours, then go to the Terminal plugin and type hostdb and report back the result here.