i got a panic when i install dflybsd with the installer!

[CrAsH]

i got this message when the installer fails!

panic:ffs_valoc: dup alloc
panic(cb1ec8b8,cb2fc000,4b7c,cb259978,c036cf83) at panic+0*84
panic(c0462421,c0462400,d698,4b7c,cb2fc0d4) at panic+0*84
ffs_valoc(cb3f9180,a1ed,c0b0e168,cb2599a0,cb259bb0) at ffs_valoc+0*12f
Xint0/80_syscall() at Xint0*80_syscall+0*2a
Debugger("panic")
Stopped at Debugger+0+-*34: movb $0,in_debugger.342